{"title":"Personal \u0026 Wearable Gas Detectors","description":"\u003c!-- COLLECTION: personal-gas-detectors | smart-rule tag = \"personal-gas-detector\" --\u003e\n\n\u003c!-- TODO when SKUs are tagged: (1) set Editor's-pick internal link to the hero product, (2) add product rows to the comparison table, (3) add ItemList schema to the @graph. --\u003e\n\n\u003ch2\u003eWhich personal gas detector should a worker wear in 2026?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eShort answer:\u003c\/strong\u003e For one-hazard environments, a maintenance-free single-gas clip (H2S, CO or O2) worn in the breathing zone is the standard personal monitor. Where workers face multiple gases, a compact wearable 4-gas monitor (O2\/LEL\/CO\/H2S) gives per-person exposure coverage with TWA and STEL alarms — and lone-worker or man-down models add a motion alarm for isolated work.\u003c\/p\u003e\n\n\u003cp\u003ePersonal \u0026amp; wearable gas detectors clip to a worker’s collar or harness and monitor the air in their breathing zone all shift — the exposure that matters for that individual. They are part of the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e hub: where \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e are carried to a space to check it, personal monitors are worn continuously by the person. For unattended monitoring of a room use \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e; for a job-site perimeter use \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e; to pinpoint a leak source use \u003ca href=\"\/collections\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak Detectors\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cblockquote style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:18px 22px;margin:22px 0;color:#f5e6d3;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;font-size:1.05em;\"\u003eEditor's pick for most buyers — a maintenance-free single-gas clip (H2S or CO)\u003c\/strong\u003e\u003cbr\u003e\n  For the most common single-hazard exposures, a sealed, maintenance-free single-gas monitor worn in the breathing zone is simple, durable and inexpensive per worker — no sensor swaps, just a multi-year run-time and continuous TWA\/STEL tracking.\n  \u003cspan style=\"display:block;margin-top:6px;font-size:0.82em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases (tag wcsafety04-20).\u003c\/span\u003e\n  \u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px;\"\u003e\n    \u003ca href=\"\/collections\/gas-detectors\" title=\"BROWSE ALL GAS DETECTORS\" style=\"display:inline-block;background:#ff9800;color:#000;padding:12px 22px;text-decoration:none;font-weight:bold;border-radius:4px;\"\u003eBROWSE ALL GAS DETECTORS →\u003c\/a\u003e\n    \u003ca href=\"https:\/\/www.amazon.com\/s?k=personal+single+gas+detector+h2s+clip\u0026amp;tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:12px 22px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICES ON AMAZON →\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003ch2\u003eWhat this collection covers\u003c\/h2\u003e\n\n\u003cp\u003ePersonal monitors are grouped by service model and how many gases they read:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-free single-gas monitors\u003c\/strong\u003e — sealed units with a fixed two-to-three-year life; zero sensor or battery service. The lowest cost-per-worker option for one known hazard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable single-gas monitors\u003c\/strong\u003e — replaceable sensor and battery for longer-term fleets and changing gas needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact wearable multi-gas monitors\u003c\/strong\u003e — pocket or clip 4-gas (O2\/LEL\/CO\/H2S) for workers facing several hazards; the wearable counterpart to the units in \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLone-worker \/ man-down monitors\u003c\/strong\u003e — add a motion\/no-motion alarm and (on connected models) a panic button and live location for isolated work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePersonal gas detector types compared\u003c\/h2\u003e\n\n\u003cp\u003eCompared by service model, exposure alarms and fit. Approximate street-price ranges reflect the broad market, not WC Safety quotes.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:18px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpec\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSingle-gas (maintenance-free)\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSingle-gas (serviceable)\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:10px;border:1px solid #3a3a3a;text-align:left;\"\u003eWearable 4-gas\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eGases monitored\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#2a2520;\"\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cstrong\u003eWorn in breathing zone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eTWA \u0026amp; STEL exposure alarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#2a2520;\"\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cstrong\u003eReplaceable sensor \/ battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#e57373;\"\u003e—\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eTypical service life\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e2–3 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eMulti-year\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eMulti-year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eMan-down \/ lone-worker option\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eSome models\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eSome models\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e\u003cspan style=\"color:#81c784;\"\u003e✓\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003eApprox. street price\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e$120–250\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e$200–450\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:10px;border:1px solid #3a3a3a;\"\u003e$400–900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhich personal gas detector should each worker carry?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose a maintenance-free single-gas clip\u003c\/strong\u003e for large fleets exposed to one known hazard (H2S, CO or O2) — lowest cost per worker, no service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose a serviceable single-gas monitor\u003c\/strong\u003e if you want to replace sensors and batteries and keep units in service for many years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose a wearable 4-gas monitor\u003c\/strong\u003e when workers face multiple gases or rotate between tasks — the same coverage as a portable \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"4-gas instrument\"\u003e4-gas instrument\u003c\/a\u003e in a body-worn form.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdd man-down \/ lone-worker alarms\u003c\/strong\u003e for staff who work alone or in isolated areas, so a fall or no-motion event triggers an alert.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed to test a space before entry?\u003c\/strong\u003e A personal monitor is not a substitute — use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"portable sample-draw detector\"\u003eportable sample-draw detector\u003c\/a\u003e for pre-entry testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:14px 0 18px 0;padding:12px 16px;background:#1a1a1a;border-radius:4px;\"\u003e\u003cstrong style=\"color:#ffb74d;font-size:0.9em;\"\u003eShop personal gas detectors on Amazon →\u003c\/strong\u003e\n  \u003ca href=\"https:\/\/www.amazon.com\/s?k=personal+single+gas+detector+h2s\u0026amp;tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:7px 12px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;font-size:0.85em;\"\u003eSingle-gas H2S clip\u003c\/a\u003e\n  \u003ca href=\"https:\/\/www.amazon.com\/s?k=personal+co+monitor+clip\u0026amp;tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:7px 12px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;font-size:0.85em;\"\u003eSingle-gas CO\u003c\/a\u003e\n  \u003ca href=\"https:\/\/www.amazon.com\/s?k=wearable+4+gas+monitor\u0026amp;tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:7px 12px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;font-size:0.85em;\"\u003eWearable 4-gas\u003c\/a\u003e\n  \u003ca href=\"https:\/\/www.amazon.com\/s?k=lone+worker+gas+monitor\u0026amp;tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:7px 12px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;font-size:0.85em;\"\u003eLone-worker monitor\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch2\u003eHow to choose a personal gas detector\u003c\/h2\u003e\u003ch3\u003eIdentify the worker’s real exposure\u003c\/h3\u003e\u003cp\u003eMatch the monitor to the gas each person actually faces. One hazard means a single-gas clip; mixed or unknown atmospheres mean a wearable multi-gas unit.\u003c\/p\u003e\u003ch3\u003eWear it in the breathing zone\u003c\/h3\u003e\u003cp\u003eA personal monitor only protects if it reads the air the worker breathes — clip it within about 12 inches of the nose and mouth, on the collar or upper chest, not on a belt or in a pocket.\u003c\/p\u003e\u003ch3\u003eSet TWA and STEL alarms to the limits\u003c\/h3\u003e\u003cp\u003ePersonal monitors track time-weighted average (TWA) and short-term exposure limit (STEL) in addition to instantaneous alarms. Set them to the applicable OSHA PEL and ACGIH TLV for the gas.\u003c\/p\u003e\u003ch3\u003eMaintenance-free or serviceable?\u003c\/h3\u003e\u003cp\u003eSealed maintenance-free units have the lowest cost per worker and no downtime; serviceable units cost more up front but keep running with new sensors and batteries.\u003c\/p\u003e\u003ch3\u003eLone-worker safety\u003c\/h3\u003e\u003cp\u003eFor isolated work, choose a model with a man-down (no-motion) alarm and, if needed, connectivity for live location and a panic button.\u003c\/p\u003e\n\n\u003ch2\u003ePersonal monitoring, OSHA PELs and exposure limits\u003c\/h2\u003e\u003cp\u003ePersonal gas detectors document each worker’s exposure against OSHA Permissible Exposure Limits and ACGIH Threshold Limit Values — including TWA over the shift and STEL over short peaks. Where exposures can’t be controlled below those limits by ventilation or engineering controls, respiratory protection is required; see \u003ca href=\"\/collections\/respiratory-protection\" title=\"Respiratory Protection\"\u003eRespiratory Protection\u003c\/a\u003e and the matching \u003ca href=\"\/collections\/respirator-filters-and-cartridges\" title=\"Respirator Filters \u0026amp; Cartridges\"\u003eRespirator Filters \u0026amp; Cartridges\u003c\/a\u003e. A personal monitor warns the worker; it does not control the hazard.\u003c\/p\u003e\n\n\u003ch2 id=\"related\"\u003eRelated gas-detection categories\u003c\/h2\u003e\n\u003cp\u003eThis collection is one of five form-factor hubs under \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e. Match the form factor to how the instrument is used, then narrow by the gases you need to detect:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e — Handheld single- and multi-gas instruments for spot checks, confined-space entry, and leak surveys.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e — Wall- and structure-mounted transmitters for continuous, unattended plant monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e — Transportable multi-gas monitors for perimeter and multi-zone temporary coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak Detectors\u003c\/a\u003e — Handheld sniffers that pinpoint combustible and refrigerant leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/gas-detectors\" title=\"All Gas Detectors\"\u003eAll Gas Detectors\u003c\/a\u003e — the full gas-detection hub.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is a personal gas detector?\u003c\/h3\u003e\u003cp\u003eA personal gas detector is a small monitor worn on the body — usually clipped to the collar — that continuously samples the air in the worker’s breathing zone and alarms when a target gas exceeds a safe level.\u003c\/p\u003e\n\u003ch3\u003eWhere should a personal gas monitor be worn?\u003c\/h3\u003e\u003cp\u003eIn the breathing zone, within about 12 inches of the nose and mouth — on the collar or upper chest. Worn on a belt or in a pocket it may not read the air the worker actually breathes.\u003c\/p\u003e\n\u003ch3\u003eSingle-gas or multi-gas personal monitor?\u003c\/h3\u003e\u003cp\u003eUse single-gas when one hazard dominates (H2S, CO or O2) and multi-gas when workers face several gases. For pre-entry checks of a space, use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"portable gas detector\"\u003eportable gas detector\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch3\u003eWhat are TWA and STEL alarms?\u003c\/h3\u003e\u003cp\u003eTWA (time-weighted average) tracks average exposure across the shift; STEL (short-term exposure limit) tracks short high-concentration peaks. Both are set to the applicable OSHA PEL and ACGIH TLV for the gas.\u003c\/p\u003e\n\u003ch3\u003eWhat is a maintenance-free gas detector?\u003c\/h3\u003e\u003cp\u003eA sealed single-gas monitor with a fixed service life (commonly two to three years) and no replaceable sensor or battery — you run it until it reaches end of life, then replace the unit. It has the lowest cost per worker.\u003c\/p\u003e\n\u003ch3\u003eWhat is a man-down or lone-worker gas detector?\u003c\/h3\u003e\u003cp\u003eA monitor with a motion sensor that triggers an alarm if the worker stops moving (a possible fall or collapse). Connected models can send the alert and the worker’s location to a supervisor.\u003c\/p\u003e\n\u003ch3\u003eDo personal gas detectors need bump testing?\u003c\/h3\u003e\u003cp\u003eYes — bump-test before each use to confirm the sensor and alarms respond, and calibrate on the manufacturer’s schedule. Maintenance-free units are still bump-tested even though sensors aren’t replaced.\u003c\/p\u003e\n\u003ch3\u003eCan a personal monitor be used for confined-space entry?\u003c\/h3\u003e\u003cp\u003eIt supplements but does not replace pre-entry testing. OSHA confined-space entry requires testing the atmosphere before entry, which calls for a portable instrument (often sample-draw); a personal monitor then provides ongoing per-worker coverage.\u003c\/p\u003e\n\u003ch3\u003eHow long do personal gas detector batteries last?\u003c\/h3\u003e\u003cp\u003eMaintenance-free units are sealed for their full two-to-three-year life; serviceable and multi-gas units typically run a full shift or more per charge and use replaceable or rechargeable batteries.\u003c\/p\u003e\n\u003ch3\u003eDoes a personal gas detector protect against the gas?\u003c\/h3\u003e\u003cp\u003eNo — it only warns the worker. Controlling the hazard requires ventilation, engineering controls, or \u003ca href=\"\/collections\/respiratory-protection\" title=\"respiratory protection\"\u003erespiratory protection\u003c\/a\u003e when limits can’t otherwise be met.\u003c\/p\u003e\n\u003ch3\u003eHow is a personal monitor different from an area monitor?\u003c\/h3\u003e\u003cp\u003eA personal monitor reads one worker’s breathing zone; an \u003ca href=\"\/collections\/area-gas-monitors\" title=\"area gas monitor\"\u003earea gas monitor\u003c\/a\u003e reads a fixed point to cover a zone or perimeter for a crew.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this personal gas detector collection?\u003c\/strong\u003e WC Safety is an independent industrial PPE and safety-equipment retailer serving safety managers, procurement teams, and field supervisors. This collection is curated by our editorial desk on the basis of detection principle, target-gas coverage, certification, and real-world fit — not by manufacturer input or paid placement. Selection guidance is grounded in published OSHA standards, manufacturer instrument data, and recognized industrial-hygiene references. Disclosed: WC Safety earns Amazon affiliate commissions on outbound links; that does not influence what we recommend or how we rank it.\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eCurated by Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, confined-space gas detection, and chemical-specific instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast reviewed:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e OSHA 29 CFR 1910.1000 \/ Annotated PEL tables, OSHA 29 CFR 1910.146, ACGIH Threshold Limit Values (TWA\/STEL), and manufacturer instrument data sheets\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Lineup curated on detection performance, certification, and application fit — not vendor preference.\u003c\/em\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this personal gas detector collection is curated.\u003c\/strong\u003e We map each instrument class to its detection principle (electrochemical, catalytic bead\/pellistor, infrared\/NDIR, or photoionization), the gases it covers, and the standard governing its use — primarily \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e for permit-required confined spaces and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e for toxic-gas thresholds, cross-referenced with ACGIH Threshold Limit Values. Reviewed quarterly and whenever OSHA guidance or the manufacturer lineup changes.\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases made through outbound links on this page (partner tag \u003ccode\u003ewcsafety04-20\u003c\/code\u003e). We are not sponsored by any instrument manufacturer, and affiliate relationships do not influence inclusion or ranking. This page is buyer guidance, not medical, legal, or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"CollectionPage\",\n      \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\",\n      \"name\": \"Personal \u0026 Wearable Gas Detectors\",\n      \"description\": \"Shop clip-on personal gas detectors for single-worker exposure monitoring. Compare single-gas vs wearable multi-gas monitors, TWA\/STEL alarms and how to choose.\",\n      \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\",\n      \"isPartOf\": {\n        \"@type\": \"WebSite\",\n        \"name\": \"WC Safety\",\n        \"url\": \"https:\/\/wcsafety.com\"\n      },\n      \"breadcrumb\": {\n        \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#breadcrumb\"\n      }\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is a personal gas detector?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A personal gas detector is a small monitor worn on the body — usually clipped to the collar — that continuously samples the air in the worker's breathing zone and alarms when a target gas exceeds a safe level.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Where should a personal gas monitor be worn?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"In the breathing zone, within about 12 inches of the nose and mouth — on the collar or upper chest. Worn on a belt or in a pocket it may not read the air the worker actually breathes.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Single-gas or multi-gas personal monitor?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Use single-gas when one hazard dominates (H2S, CO or O2) and multi-gas when workers face several gases. For pre-entry checks of a space, use a portable gas detector instead.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What are TWA and STEL alarms?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"TWA (time-weighted average) tracks average exposure across the shift; STEL (short-term exposure limit) tracks short high-concentration peaks. Both are set to the applicable OSHA PEL and ACGIH TLV for the gas.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is a maintenance-free gas detector?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A sealed single-gas monitor with a fixed service life (commonly two to three years) and no replaceable sensor or battery — you run it until it reaches end of life, then replace the unit. It has the lowest cost per worker.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is a man-down or lone-worker gas detector?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A monitor with a motion sensor that triggers an alarm if the worker stops moving (a possible fall or collapse). Connected models can send the alert and the worker's location to a supervisor.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Do personal gas detectors need bump testing?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes — bump-test before each use to confirm the sensor and alarms respond, and calibrate on the manufacturer's schedule. Maintenance-free units are still bump-tested even though sensors aren't replaced.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can a personal monitor be used for confined-space entry?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"It supplements but does not replace pre-entry testing. OSHA confined-space entry requires testing the atmosphere before entry, which calls for a portable instrument (often sample-draw); a personal monitor then provides ongoing per-worker coverage.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How long do personal gas detector batteries last?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Maintenance-free units are sealed for their full two-to-three-year life; serviceable and multi-gas units typically run a full shift or more per charge and use replaceable or rechargeable batteries.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does a personal gas detector protect against the gas?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No — it only warns the worker. Controlling the hazard requires ventilation, engineering controls, or respiratory protection when limits can't otherwise be met.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How is a personal monitor different from an area monitor?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A personal monitor reads one worker's breathing zone; an area gas monitor reads a fixed point to cover a zone or perimeter for a crew.\"\n          }\n        }\n      ]\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#breadcrumb\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"name\": \"Home\",\n          \"item\": \"https:\/\/wcsafety.com\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"name\": \"Gas Detectors\",\n          \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"Personal \u0026 Wearable Gas Detectors\"\n        }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","products":[{"product_id":"honeywell-bw-clip-h2s-monitor-bwc2-h","title":"Honeywell BW Clip H2S Monitor — BWC2-H Single-Gas (2-Year Maintenance-Free)","description":"\u003c!-- PRODUCT B00UZ1WWUK | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the Honeywell BW Clip H2S monitor is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eHoneywell BW Clip H2S Monitor — Maintenance-Free Single-Gas Detector\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHoneywell BW Clip H2S monitor\u003c\/strong\u003e (BWC2-H) is a 2-year maintenance-free single-gas clip worn in the breathing zone — the industry-standard \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e for hydrogen sulfide exposure. Turn it on once and it runs for two years with no sensor or battery service.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Honeywell BW Clip BWC2-H is a 2-year maintenance-free, electrochemical single-gas personal monitor for hydrogen sulfide (H2S), with audible, visual and vibrating alarms at 10 and 15 ppm.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eWorn in the breathing zone to alarm on hydrogen sulfide (H2S) exposure\u003c\/li\u003e\n\u003cli\u003eRuns continuously for 2 years with no battery or sensor replacement — turn it on day one and use it\u003c\/li\u003e\n\u003cli\u003eAudible (~95 dB), visual red-LED and vibrating alarms at 10 ppm and 15 ppm\u003c\/li\u003e\n\u003cli\u003eHighest-reviewed personal monitor we stock (990+ ratings, 4.7 stars)\u003c\/li\u003e\n\u003cli\u003eConstant real-time H2S reading on the display\u003c\/li\u003e\n\u003cli\u003eCompatible with IntelliDoX and MicroDock docking for automated bump tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003e2-year maintenance-free — no sensor or battery swaps\u003c\/li\u003e\n\u003cli\u003eLowest cost per worker over its life\u003c\/li\u003e\n\u003cli\u003eTriple alarm (audible, visual, vibrating)\u003c\/li\u003e\n\u003cli\u003eOutstanding 4.7-star, 990+ review track record\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight clip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eSingle gas only — H2S, nothing else\u003c\/li\u003e\n\u003cli\u003eNot rechargeable or serviceable; replace the unit at end of life\u003c\/li\u003e\n\u003cli\u003eNeeds bump testing like any monitor\u003c\/li\u003e\n\u003cli\u003eNo color display or data export\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGas detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eHydrogen sulfide (H2S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarm set points\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e10 ppm low \/ 15 ppm high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eElectrochemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eService life\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e2 years continuous, maintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible (~95 dB), visual (red LEDs) \u0026amp; vibrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eFactory-calibrated; bump\/cal optional via IntelliDoX\/MicroDock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDatalogging\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eEvent logging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRugged, water- \u0026amp; dust-resistant; clip-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the Honeywell BW Clip BWC2-H fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil-and-gas and wellsite work\u003c\/li\u003e\n\u003cli\u003eWastewater and sewer entry\u003c\/li\u003e\n\u003cli\u003ePulp, paper and refinery areas\u003c\/li\u003e\n\u003cli\u003eTank and vessel work with H2S risk\u003c\/li\u003e\n\u003cli\u003eIssuing one clip per worker across a crew\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the Honeywell BW Clip BWC2-H detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eThis monitor detects \u003cstrong\u003ehydrogen sulfide (H2S) only\u003c\/strong\u003e — it does not read CO, O2, combustibles or any other gas. If a worker faces several hazards, choose a wearable 4-gas unit such as the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e or the sealed \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e, or pre-test a space with a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument. For carbon monoxide instead, see the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e; for oxygen, the \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2\"\u003eBW Clip O2\u003c\/a\u003e. Bump-test with H2S calibration gas; docking via IntelliDoX\/MicroDock automates it.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e, \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eHoneywell BW Clip single-gas family compared\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003ccaption style=\"color:#bdae9d;font-size:0.85em;text-align:left;padding:4px 0;\"\u003eHoneywell BW Clip single-gas family (2-year maintenance-free)\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eGas\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eAlarm set points\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eService life\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eStreet price\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S (BWC2-H)\"\u003eBW Clip H2S (BWC2-H)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eH2S\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e10 \/ 15 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO (BWC2-M)\"\u003eBW Clip CO (BWC2-M)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eCO\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e35 \/ 200 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2 (BWC2-X)\"\u003eBW Clip O2 (BWC2-X)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eO2\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e19.5 \/ 23.5 %\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eBW Clip H2S\u003c\/strong\u003e when hydrogen sulfide is the dominant hazard.\u003c\/li\u003e\n\u003cli\u003ePick the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e for carbon-monoxide exposure, or the \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2\"\u003eBW Clip O2\u003c\/a\u003e for oxygen.\u003c\/li\u003e\n\u003cli\u003eNeed several gases on one worker? Step up to the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e or \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat gas does the Honeywell BW Clip H2S monitor detect?\u003c\/h3\u003e\u003cp\u003eHydrogen sulfide (H2S) only, with alarms at 10 and 15 ppm. For multiple gases on one worker, use a wearable 4-gas unit like the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow long does the BW Clip H2S last?\u003c\/h3\u003e\u003cp\u003eIt runs continuously for two years with no battery or sensor replacement. At end of life you replace the whole unit — that is the maintenance-free design.\u003c\/p\u003e\n\u003ch3\u003eDo I still need to bump-test a maintenance-free monitor?\u003c\/h3\u003e\u003cp\u003eYes — bump-test to confirm the sensor and alarms respond. The unit needs no sensor or battery service, but bump testing verifies it is working; IntelliDoX\/MicroDock docks automate it.\u003c\/p\u003e\n\u003ch3\u003eWhere should I wear the BW Clip?\u003c\/h3\u003e\u003cp\u003eIn the breathing zone — clipped to the collar or upper chest within about 12 inches of the nose and mouth — so it reads the air the worker actually breathes.\u003c\/p\u003e\n\u003ch3\u003eIs the BW Clip H2S rechargeable?\u003c\/h3\u003e\u003cp\u003eNo — it is a sealed 2-year unit, not rechargeable or serviceable. The trade-off is zero maintenance and the lowest cost per worker over its life.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it have?\u003c\/h3\u003e\u003cp\u003eAudible (~95 dB), visual red-LED and vibrating alarms trigger at the 10 ppm and 15 ppm set points, so alerts register in loud or low-visibility work.\u003c\/p\u003e\n\u003ch3\u003eCan one BW Clip cover a whole crew?\u003c\/h3\u003e\u003cp\u003eNo — each worker needs their own clip for personal exposure. For area or pre-entry coverage use a \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e monitor or a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the BW Clip and the BW Clip4?\u003c\/h3\u003e\u003cp\u003eThe BW Clip is single-gas (H2S here); the \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e reads four gases (O2, LEL, CO, H2S) in the same 2-year maintenance-free format.\u003c\/p\u003e\n\u003ch3\u003eDoes it log data?\u003c\/h3\u003e\u003cp\u003eYes — it logs alarm events, which can be downloaded via the docking system for compliance records.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for current availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eDoes it come with calibration gas?\u003c\/h3\u003e\u003cp\u003eCalibration gas and docking are sold separately. Plan to add H2S calibration gas (and a dock if you want automated bump tests) for your program.\u003c\/p\u003e\n\u003ch3\u003eIs the BW Clip suitable for confined-space entry?\u003c\/h3\u003e\u003cp\u003eIt provides personal H2S coverage during work, but confined-space entry also requires pre-entry atmospheric testing — use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e 4-gas instrument for that.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eHoneywell BW Clip H2S monitor\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B00UZ1WWUK?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this Honeywell BW page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for Honeywell BW Clip BWC2-H and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h#product\", \"name\": \"Honeywell BW Clip H2S Monitor — BWC2-H Single-Gas (2-Year Maintenance-Free)\", \"description\": \"Honeywell BW Clip H2S monitor — 2-year maintenance-free single-gas detector with audible, visual \u0026 vibrating alarms. Order the BWC2-H at WC Safety.\", \"sku\": \"B00UZ1WWUK\", \"mpn\": \"BWC2-H\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\", \"priceCurrency\": \"USD\", \"price\": \"124.90\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Honeywell BW Clip H2S Monitor — BWC2-H Single-Gas (2-Year Maintenance-Free)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What gas does the Honeywell BW Clip H2S monitor detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hydrogen sulfide (H2S) only, with alarms at 10 and 15 ppm. For multiple gases on one worker, use a wearable 4-gas unit like the GasAlertMicroClip XL.\"}}, {\"@type\": \"Question\", \"name\": \"How long does the BW Clip H2S last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It runs continuously for two years with no battery or sensor replacement. At end of life you replace the whole unit — that is the maintenance-free design.\"}}, {\"@type\": \"Question\", \"name\": \"Do I still need to bump-test a maintenance-free monitor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — bump-test to confirm the sensor and alarms respond. The unit needs no sensor or battery service, but bump testing verifies it is working; IntelliDoX\/MicroDock docks automate it.\"}}, {\"@type\": \"Question\", \"name\": \"Where should I wear the BW Clip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In the breathing zone — clipped to the collar or upper chest within about 12 inches of the nose and mouth — so it reads the air the worker actually breathes.\"}}, {\"@type\": \"Question\", \"name\": \"Is the BW Clip H2S rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is a sealed 2-year unit, not rechargeable or serviceable. The trade-off is zero maintenance and the lowest cost per worker over its life.\"}}, {\"@type\": \"Question\", \"name\": \"What alarms does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Audible (~95 dB), visual red-LED and vibrating alarms trigger at the 10 ppm and 15 ppm set points, so alerts register in loud or low-visibility work.\"}}, {\"@type\": \"Question\", \"name\": \"Can one BW Clip cover a whole crew?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — each worker needs their own clip for personal exposure. For area or pre-entry coverage use a Area \u0026 Transportable Gas Monitors monitor or a Portable Gas Detectors instrument.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the BW Clip and the BW Clip4?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BW Clip is single-gas (H2S here); the BW Clip4 reads four gases (O2, LEL, CO, H2S) in the same 2-year maintenance-free format.\"}}, {\"@type\": \"Question\", \"name\": \"Does it log data?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it logs alarm events, which can be downloaded via the docking system for compliance records.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for current availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Does it come with calibration gas?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Calibration gas and docking are sold separately. Plan to add H2S calibration gas (and a dock if you want automated bump tests) for your program.\"}}, {\"@type\": \"Question\", \"name\": \"Is the BW Clip suitable for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It provides personal H2S coverage during work, but confined-space entry also requires pre-entry atmospheric testing — use a Portable Gas Detectors 4-gas instrument for that.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}]}\n\u003c\/script\u003e","brand":"Honeywell BW","offers":[{"title":"Default Title","offer_id":44266436362328,"sku":"B00UZ1WWUK","price":124.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/617-vDgCsIL._SL1362.jpg?v=1782121772"},{"product_id":"honeywell-bw-clip-co-monitor-bwc2-m","title":"Honeywell BW Clip CO Monitor — BWC2-M Single-Gas (2-Year Maintenance-Free)","description":"\u003c!-- PRODUCT B00UZ1WWVO | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the Honeywell BW Clip CO monitor is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eHoneywell BW Clip CO Monitor — Maintenance-Free Single-Gas Detector\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHoneywell BW Clip CO monitor\u003c\/strong\u003e (BWC2-M) is a 2-year maintenance-free single-gas clip for carbon monoxide — the \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e to issue wherever CO from combustion, engines or forklifts is the main hazard. Turn it on and it runs two years with no service.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Honeywell BW Clip BWC2-M is a 2-year maintenance-free, electrochemical single-gas personal monitor for carbon monoxide (CO), with audible, visual and vibrating alarms at 35 and 200 ppm.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eWorn in the breathing zone to alarm on carbon monoxide (CO) exposure\u003c\/li\u003e\n\u003cli\u003eRuns 2 years maintenance-free — no battery or sensor replacement\u003c\/li\u003e\n\u003cli\u003eAudible (~95 dB), visual red-LED and vibrating alarms at 35 ppm and 200 ppm\u003c\/li\u003e\n\u003cli\u003eConstant real-time CO reading on the display\u003c\/li\u003e\n\u003cli\u003eRugged, water- and dust-resistant clip-on body\u003c\/li\u003e\n\u003cli\u003eWorks with IntelliDoX and MicroDock for automated bump testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003e2-year maintenance-free — no service\u003c\/li\u003e\n\u003cli\u003eTriple alarm (audible, visual, vibrating)\u003c\/li\u003e\n\u003cli\u003eLow cost per worker over its life\u003c\/li\u003e\n\u003cli\u003eCompact breathing-zone clip\u003c\/li\u003e\n\u003cli\u003eEvent datalogging for records\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eSingle gas only — CO, nothing else\u003c\/li\u003e\n\u003cli\u003eNot rechargeable or serviceable\u003c\/li\u003e\n\u003cli\u003eStill requires bump testing\u003c\/li\u003e\n\u003cli\u003eNo color display or USB export\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGas detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCarbon monoxide (CO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarm set points\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e35 ppm low \/ 200 ppm high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eElectrochemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eService life\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e2 years continuous, maintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible (~95 dB), visual (red LEDs) \u0026amp; vibrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eFactory-calibrated; bump\/cal optional via IntelliDoX\/MicroDock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDatalogging\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eEvent logging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRugged, water- \u0026amp; dust-resistant; clip-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the Honeywell BW Clip BWC2-M fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCombustion-equipment and boiler areas\u003c\/li\u003e\n\u003cli\u003eWarehouses with propane forklifts\u003c\/li\u003e\n\u003cli\u003eParking structures and loading docks\u003c\/li\u003e\n\u003cli\u003eWelding and hot-work areas\u003c\/li\u003e\n\u003cli\u003eOne clip per worker exposed to CO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the Honeywell BW Clip BWC2-M detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eThis monitor detects \u003cstrong\u003ecarbon monoxide (CO) only\u003c\/strong\u003e — not H2S, O2, combustibles or any other gas. For multi-hazard work choose a wearable 4-gas unit such as the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. For H2S instead, see the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e; for oxygen, the \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2\"\u003eBW Clip O2\u003c\/a\u003e. A lower-cost personal CO option is the \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580\"\u003eTopTes CT-580\u003c\/a\u003e. Bump-test with CO calibration gas; docking automates it.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e, \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eHoneywell BW Clip single-gas family compared\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003ccaption style=\"color:#bdae9d;font-size:0.85em;text-align:left;padding:4px 0;\"\u003eHoneywell BW Clip single-gas family (2-year maintenance-free)\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eGas\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eAlarm set points\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eService life\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eStreet price\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S (BWC2-H)\"\u003eBW Clip H2S (BWC2-H)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eH2S\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e10 \/ 15 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO (BWC2-M)\"\u003eBW Clip CO (BWC2-M)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eCO\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e35 \/ 200 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2 (BWC2-X)\"\u003eBW Clip O2 (BWC2-X)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eO2\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e19.5 \/ 23.5 %\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eBW Clip CO\u003c\/strong\u003e when carbon monoxide is the dominant hazard and you want 2-year maintenance-free wear.\u003c\/li\u003e\n\u003cli\u003eFor a lower-cost rechargeable CO option, compare the \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO detector\"\u003eTopTes CT-580 CO detector\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eNeed several gases? Move to the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e or \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat gas does the Honeywell BW Clip CO monitor detect?\u003c\/h3\u003e\u003cp\u003eCarbon monoxide (CO) only, with alarms at 35 and 200 ppm. For several gases on one worker, use a 4-gas unit like the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow long does the BW Clip CO last?\u003c\/h3\u003e\u003cp\u003eTwo years of continuous use with no battery or sensor replacement; you replace the whole unit at end of life.\u003c\/p\u003e\n\u003ch3\u003eHow is it different from the TopTes CT-580 CO detector?\u003c\/h3\u003e\u003cp\u003eThe BW Clip CO is a sealed 2-year maintenance-free industrial clip; the \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580\"\u003eTopTes CT-580\u003c\/a\u003e is a lower-cost rechargeable CO detector with a color display.\u003c\/p\u003e\n\u003ch3\u003eDo I still need to bump-test it?\u003c\/h3\u003e\u003cp\u003eYes — bump-test to confirm the sensor and alarms respond. It needs no sensor or battery service, but bump testing verifies function; docking automates it.\u003c\/p\u003e\n\u003ch3\u003eWhere should I wear the BW Clip CO?\u003c\/h3\u003e\u003cp\u003eIn the breathing zone, clipped to the collar or upper chest within about 12 inches of the nose and mouth.\u003c\/p\u003e\n\u003ch3\u003eWhat are the alarm set points?\u003c\/h3\u003e\u003cp\u003e35 ppm low and 200 ppm high, signalled by audible (~95 dB), visual red-LED and vibrating alarms.\u003c\/p\u003e\n\u003ch3\u003eIs it rechargeable?\u003c\/h3\u003e\u003cp\u003eNo — it is a sealed 2-year unit. The benefit is zero maintenance and a low cost per worker over its life.\u003c\/p\u003e\n\u003ch3\u003eCan one monitor cover several workers?\u003c\/h3\u003e\u003cp\u003eNo — issue one clip per worker. For area coverage use a \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e monitor; for pre-entry testing a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument.\u003c\/p\u003e\n\u003ch3\u003eDoes it record data?\u003c\/h3\u003e\u003cp\u003eYes — it logs alarm events for download through the docking system for compliance records.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eAnything other than CO. For H2S use the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e; for oxygen the \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2\"\u003eBW Clip O2\u003c\/a\u003e; for multiple gases a 4-gas wearable.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eDoes it come with calibration gas?\u003c\/h3\u003e\u003cp\u003eNo — CO calibration gas and docking are sold separately for bump testing and verification.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eHoneywell BW Clip CO monitor\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B00UZ1WWVO?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this Honeywell BW page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for Honeywell BW Clip BWC2-M and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m#product\", \"name\": \"Honeywell BW Clip CO Monitor — BWC2-M Single-Gas (2-Year Maintenance-Free)\", \"description\": \"Honeywell BW Clip CO monitor — 2-year maintenance-free single-gas carbon monoxide detector with triple alarms. Order the BWC2-M at WC Safety.\", \"sku\": \"B00UZ1WWVO\", \"mpn\": \"BWC2-M\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/honeywell-bw-clip-co-monitor-bwc2-m.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\", \"priceCurrency\": \"USD\", \"price\": \"130.81\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Honeywell BW Clip CO Monitor — BWC2-M Single-Gas (2-Year Maintenance-Free)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What gas does the Honeywell BW Clip CO monitor detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Carbon monoxide (CO) only, with alarms at 35 and 200 ppm. For several gases on one worker, use a 4-gas unit like the GasAlertMicroClip XL.\"}}, {\"@type\": \"Question\", \"name\": \"How long does the BW Clip CO last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two years of continuous use with no battery or sensor replacement; you replace the whole unit at end of life.\"}}, {\"@type\": \"Question\", \"name\": \"How is it different from the TopTes CT-580 CO detector?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BW Clip CO is a sealed 2-year maintenance-free industrial clip; the TopTes CT-580 is a lower-cost rechargeable CO detector with a color display.\"}}, {\"@type\": \"Question\", \"name\": \"Do I still need to bump-test it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — bump-test to confirm the sensor and alarms respond. It needs no sensor or battery service, but bump testing verifies function; docking automates it.\"}}, {\"@type\": \"Question\", \"name\": \"Where should I wear the BW Clip CO?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In the breathing zone, clipped to the collar or upper chest within about 12 inches of the nose and mouth.\"}}, {\"@type\": \"Question\", \"name\": \"What are the alarm set points?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"35 ppm low and 200 ppm high, signalled by audible (~95 dB), visual red-LED and vibrating alarms.\"}}, {\"@type\": \"Question\", \"name\": \"Is it rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is a sealed 2-year unit. The benefit is zero maintenance and a low cost per worker over its life.\"}}, {\"@type\": \"Question\", \"name\": \"Can one monitor cover several workers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — issue one clip per worker. For area coverage use a Area \u0026 Transportable Gas Monitors monitor; for pre-entry testing a Portable Gas Detectors instrument.\"}}, {\"@type\": \"Question\", \"name\": \"Does it record data?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it logs alarm events for download through the docking system for compliance records.\"}}, {\"@type\": \"Question\", \"name\": \"What does it not detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Anything other than CO. For H2S use the BW Clip H2S; for oxygen the BW Clip O2; for multiple gases a 4-gas wearable.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for live availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Does it come with calibration gas?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — CO calibration gas and docking are sold separately for bump testing and verification.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}]}\n\u003c\/script\u003e","brand":"Honeywell BW","offers":[{"title":"Default Title","offer_id":44266436591704,"sku":"B00UZ1WWVO","price":130.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/61iyefTUgyL._SL1500.jpg?v=1782121776"},{"product_id":"honeywell-bw-clip-o2-monitor-bwc2-x","title":"Honeywell BW Clip O2 Monitor — BWC2-X Single-Gas (2-Year Maintenance-Free)","description":"\u003c!-- PRODUCT B00UZ1X39O | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the Honeywell BW Clip O2 monitor is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eHoneywell BW Clip O2 Monitor — Maintenance-Free Oxygen Detector\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHoneywell BW Clip O2 monitor\u003c\/strong\u003e (BWC2-X) is a 2-year maintenance-free oxygen clip that alarms on both deficiency and enrichment — the \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e for confined spaces and inert-gas areas where O2 levels can drop or spike. Turn it on and it runs two years with no service.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Honeywell BW Clip BWC2-X is a 2-year maintenance-free, electrochemical single-gas oxygen (O2) personal monitor with audible, visual and vibrating alarms at 19.5% and 23.5%.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eAlarms on both oxygen deficiency (19.5%) and enrichment (23.5%)\u003c\/li\u003e\n\u003cli\u003e2-year maintenance-free service — no battery or sensor replacement\u003c\/li\u003e\n\u003cli\u003eAudible (~95 dB), visual red-LED and vibrating alarms\u003c\/li\u003e\n\u003cli\u003eConstant real-time O2 reading on the display\u003c\/li\u003e\n\u003cli\u003eRugged, water- and dust-resistant clip-on body\u003c\/li\u003e\n\u003cli\u003eCompatible with IntelliDoX and MicroDock docking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eCovers both low and high oxygen\u003c\/li\u003e\n\u003cli\u003e2-year maintenance-free — no service\u003c\/li\u003e\n\u003cli\u003eTriple alarm modes\u003c\/li\u003e\n\u003cli\u003eCompact breathing-zone clip\u003c\/li\u003e\n\u003cli\u003eLow cost per worker over its life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eSingle gas only — oxygen\u003c\/li\u003e\n\u003cli\u003eNot rechargeable or serviceable\u003c\/li\u003e\n\u003cli\u003eStill requires bump testing\u003c\/li\u003e\n\u003cli\u003eNo color display or data export\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGas detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eOxygen (O2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarm set points\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e19.5% low \/ 23.5% high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eElectrochemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eService life\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e2 years continuous, maintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible (~95 dB), visual (red LEDs) \u0026amp; vibrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eFactory-calibrated; bump\/cal optional via IntelliDoX\/MicroDock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDetects\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eOxygen deficiency \u0026amp; enrichment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRugged, water- \u0026amp; dust-resistant; clip-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the Honeywell BW Clip BWC2-X fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfined-space oxygen monitoring\u003c\/li\u003e\n\u003cli\u003eInert-gas and purged environments\u003c\/li\u003e\n\u003cli\u003eCryogenic and welding-gas areas (displacement risk)\u003c\/li\u003e\n\u003cli\u003eVessel and tank entry\u003c\/li\u003e\n\u003cli\u003eOne clip per worker in O2-risk areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the Honeywell BW Clip BWC2-X detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eThis monitor detects \u003cstrong\u003eoxygen (O2) only\u003c\/strong\u003e, alarming on both deficiency and enrichment — it does not read CO, H2S or combustibles. Oxygen displacement often accompanies other hazards, so for full confined-space coverage use a wearable 4-gas unit such as the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e or pre-test with a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument. For CO see the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e; for H2S the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e. Bump-test with O2-deficient calibration gas.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e, \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eHoneywell BW Clip single-gas family compared\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003ccaption style=\"color:#bdae9d;font-size:0.85em;text-align:left;padding:4px 0;\"\u003eHoneywell BW Clip single-gas family (2-year maintenance-free)\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eGas\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eAlarm set points\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eService life\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eStreet price\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S (BWC2-H)\"\u003eBW Clip H2S (BWC2-H)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eH2S\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e10 \/ 15 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO (BWC2-M)\"\u003eBW Clip CO (BWC2-M)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eCO\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e35 \/ 200 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"BW Clip O2 (BWC2-X)\"\u003eBW Clip O2 (BWC2-X)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eO2\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e19.5 \/ 23.5 %\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2 yr sealed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eBW Clip O2\u003c\/strong\u003e for oxygen-deficiency and enrichment monitoring in confined and inert-gas spaces.\u003c\/li\u003e\n\u003cli\u003eFor CO use the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e; for H2S the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eNeed oxygen plus combustibles and toxics on one worker? Use the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e or \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat does the Honeywell BW Clip O2 monitor detect?\u003c\/h3\u003e\u003cp\u003eOxygen (O2) only, alarming on both deficiency (19.5%) and enrichment (23.5%). It does not read other gases.\u003c\/p\u003e\n\u003ch3\u003eWhy monitor oxygen enrichment as well as deficiency?\u003c\/h3\u003e\u003cp\u003eHigh oxygen dramatically increases fire risk; the BW Clip O2 alarms at 23.5% as well as the 19.5% low point, covering both hazards.\u003c\/p\u003e\n\u003ch3\u003eHow long does the BW Clip O2 last?\u003c\/h3\u003e\u003cp\u003eTwo years of continuous use with no battery or sensor replacement; replace the whole unit at end of life.\u003c\/p\u003e\n\u003ch3\u003eIs one oxygen monitor enough for confined-space entry?\u003c\/h3\u003e\u003cp\u003eOxygen is only one hazard — confined spaces also need combustible and toxic testing. Use a 4-gas unit such as the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e and pre-test with a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument.\u003c\/p\u003e\n\u003ch3\u003eDo I still need to bump-test it?\u003c\/h3\u003e\u003cp\u003eYes — bump-test with O2-deficient calibration gas to confirm the sensor and alarms respond, even though no sensor or battery service is required.\u003c\/p\u003e\n\u003ch3\u003eWhere should it be worn?\u003c\/h3\u003e\u003cp\u003eIn the breathing zone, clipped to the collar or upper chest within about 12 inches of the nose and mouth.\u003c\/p\u003e\n\u003ch3\u003eIs the BW Clip O2 rechargeable?\u003c\/h3\u003e\u003cp\u003eNo — it is a sealed 2-year maintenance-free unit, which keeps cost per worker low and removes service downtime.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it use?\u003c\/h3\u003e\u003cp\u003eAudible (~95 dB), visual red-LED and vibrating alarms at the 19.5% and 23.5% set points.\u003c\/p\u003e\n\u003ch3\u003eCan one unit cover several workers?\u003c\/h3\u003e\u003cp\u003eNo — issue one clip per worker. For area coverage use a \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e monitor; for pre-entry use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e instrument.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eAnything other than oxygen. For CO use the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e; for H2S the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e; for multiple gases a 4-gas wearable.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eDoes it include calibration gas?\u003c\/h3\u003e\u003cp\u003eNo — O2-deficient calibration gas and docking are sold separately for bump testing and verification.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eHoneywell BW Clip O2 monitor\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B00UZ1X39O?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this Honeywell BW page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for Honeywell BW Clip BWC2-X and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x#product\", \"name\": \"Honeywell BW Clip O2 Monitor — BWC2-X Single-Gas (2-Year Maintenance-Free)\", \"description\": \"Honeywell BW Clip O2 monitor — 2-year maintenance-free oxygen detector for confined space, alarms at 19.5% and 23.5%. Order the BWC2-X at WC Safety.\", \"sku\": \"B00UZ1X39O\", \"mpn\": \"BWC2-X\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/honeywell-bw-clip-o2-monitor-bwc2-x.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\", \"priceCurrency\": \"USD\", \"price\": \"119.99\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Honeywell BW Clip O2 Monitor — BWC2-X Single-Gas (2-Year Maintenance-Free)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the Honeywell BW Clip O2 monitor detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Oxygen (O2) only, alarming on both deficiency (19.5%) and enrichment (23.5%). It does not read other gases.\"}}, {\"@type\": \"Question\", \"name\": \"Why monitor oxygen enrichment as well as deficiency?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"High oxygen dramatically increases fire risk; the BW Clip O2 alarms at 23.5% as well as the 19.5% low point, covering both hazards.\"}}, {\"@type\": \"Question\", \"name\": \"How long does the BW Clip O2 last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two years of continuous use with no battery or sensor replacement; replace the whole unit at end of life.\"}}, {\"@type\": \"Question\", \"name\": \"Is one oxygen monitor enough for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Oxygen is only one hazard — confined spaces also need combustible and toxic testing. Use a 4-gas unit such as the GasAlertMicroClip XL and pre-test with a Portable Gas Detectors instrument.\"}}, {\"@type\": \"Question\", \"name\": \"Do I still need to bump-test it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — bump-test with O2-deficient calibration gas to confirm the sensor and alarms respond, even though no sensor or battery service is required.\"}}, {\"@type\": \"Question\", \"name\": \"Where should it be worn?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In the breathing zone, clipped to the collar or upper chest within about 12 inches of the nose and mouth.\"}}, {\"@type\": \"Question\", \"name\": \"Is the BW Clip O2 rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is a sealed 2-year maintenance-free unit, which keeps cost per worker low and removes service downtime.\"}}, {\"@type\": \"Question\", \"name\": \"What alarms does it use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Audible (~95 dB), visual red-LED and vibrating alarms at the 19.5% and 23.5% set points.\"}}, {\"@type\": \"Question\", \"name\": \"Can one unit cover several workers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — issue one clip per worker. For area coverage use a Area \u0026 Transportable Gas Monitors monitor; for pre-entry use a Portable Gas Detectors instrument.\"}}, {\"@type\": \"Question\", \"name\": \"What does it not detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Anything other than oxygen. For CO use the BW Clip CO; for H2S the BW Clip H2S; for multiple gases a 4-gas wearable.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for live availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Does it include calibration gas?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — O2-deficient calibration gas and docking are sold separately for bump testing and verification.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}]}\n\u003c\/script\u003e","brand":"Honeywell BW","offers":[{"title":"Default Title","offer_id":44266436821080,"sku":"B00UZ1X39O","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/61rE0VwBI_L._SL1362.jpg?v=1782121779"},{"product_id":"toptes-ct-580-co-detector","title":"TopTes CT-580 CO Detector — Rechargeable Personal Carbon Monoxide Monitor","description":"\u003c!-- PRODUCT B0DGLFL7K8 | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the TopTes CT-580 CO detector is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eTopTes CT-580 CO Detector — Rechargeable Personal CO Monitor\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTopTes CT-580 CO detector\u003c\/strong\u003e is the affordable, rechargeable way to put a personal carbon-monoxide monitor on every worker — a \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e with a color display, 0–1000 ppm range and triple alarms, at a fraction of an industrial clip’s price.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe TopTes CT-580 is a rechargeable personal carbon monoxide (CO) detector with a 0–1000 ppm range, TFT color display, and audible, visual and vibration alarms.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eRechargeable personal CO monitor reading 0–1000 ppm\u003c\/li\u003e\n\u003cli\u003eBright TFT color display with real-time, peak and TWA readings\u003c\/li\u003e\n\u003cli\u003eAudible, visual and vibration alarms\u003c\/li\u003e\n\u003cli\u003eLowest-cost personal monitor in our lineup — strong 4.6-star, 600+ review record\u003c\/li\u003e\n\u003cli\u003ePocket\/clip portable for home, travel and job-site use\u003c\/li\u003e\n\u003cli\u003eRechargeable battery — no disposable cells\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eVery affordable personal CO monitor\u003c\/li\u003e\n\u003cli\u003eColor display with peak and TWA\u003c\/li\u003e\n\u003cli\u003eRechargeable\u003c\/li\u003e\n\u003cli\u003eTriple alarm modes\u003c\/li\u003e\n\u003cli\u003eStrong 4.6-star, 600+ reviews\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eSingle gas only — CO\u003c\/li\u003e\n\u003cli\u003eConsumer\/prosumer grade, not a sealed industrial clip\u003c\/li\u003e\n\u003cli\u003eSensor needs periodic replacement\/verification\u003c\/li\u003e\n\u003cli\u003eNot a substitute for confined-space 4-gas testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGas detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCarbon monoxide (CO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eRange\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e0–1000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eTFT color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible, visual \u0026amp; vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRechargeable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eReadings\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eReal-time, peak \u0026amp; TWA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eHome, travel, industrial \u0026amp; professional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the TopTes CT-580 fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePersonal CO awareness on the job\u003c\/li\u003e\n\u003cli\u003eHVAC and appliance technicians\u003c\/li\u003e\n\u003cli\u003eGenerator and engine work\u003c\/li\u003e\n\u003cli\u003eWarehouse and garage use\u003c\/li\u003e\n\u003cli\u003eTravel and home backup monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the TopTes CT-580 detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eThe CT-580 detects \u003cstrong\u003ecarbon monoxide (CO) only\u003c\/strong\u003e — not H2S, O2 or combustibles. For a sealed 2-year industrial CO clip, compare the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e; for several gases on one worker, the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. It is a personal-awareness monitor, not a confined-space pre-entry tool — for entry testing use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e 4-gas instrument. Recharge over its battery and verify against a known CO source periodically.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eWhere the TopTes CT-580 fits among CO monitors\u003c\/h2\u003e\n\n\u003cp\u003eThe CT-580 is our entry-price personal CO option. For a sealed, 2-year maintenance-free industrial clip, the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO (BWC2-M)\"\u003eHoneywell BW Clip CO (BWC2-M)\u003c\/a\u003e costs about twice as much but needs no sensor or battery service over its life. For multi-gas coverage on one worker, step up to the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eTopTes CT-580\u003c\/strong\u003e for low-cost, rechargeable personal CO awareness across a crew.\u003c\/li\u003e\n\u003cli\u003eUpgrade to the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e for a sealed 2-year maintenance-free industrial clip.\u003c\/li\u003e\n\u003cli\u003eNeed more than CO? Use the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e 4-gas wearable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat does the TopTes CT-580 CO detector measure?\u003c\/h3\u003e\u003cp\u003eCarbon monoxide (CO) from 0 to 1000 ppm, with real-time, peak and TWA readings on a color display.\u003c\/p\u003e\n\u003ch3\u003eIs the CT-580 rechargeable?\u003c\/h3\u003e\u003cp\u003eYes — it uses a rechargeable battery, so there are no disposable cells to replace between uses.\u003c\/p\u003e\n\u003ch3\u003eHow is it different from the Honeywell BW Clip CO?\u003c\/h3\u003e\u003cp\u003eThe CT-580 is a lower-cost rechargeable monitor with a color display; the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e is a sealed 2-year maintenance-free industrial clip that needs no service over its life.\u003c\/p\u003e\n\u003ch3\u003eCan I use the CT-580 for confined-space entry?\u003c\/h3\u003e\u003cp\u003eNo — it monitors CO only. Confined-space entry needs O2, combustible and toxic testing; use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e 4-gas instrument for that.\u003c\/p\u003e\n\u003ch3\u003eDoes it show peak and average exposure?\u003c\/h3\u003e\u003cp\u003eYes — it displays real-time, peak and time-weighted-average (TWA) CO readings, useful for tracking exposure over a shift.\u003c\/p\u003e\n\u003ch3\u003eWhere should I wear or place it?\u003c\/h3\u003e\u003cp\u003eClip or carry it in the breathing zone for personal monitoring; keep it near the work area when used as a spot CO check.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it have?\u003c\/h3\u003e\u003cp\u003eAudible, visual and vibration alarms trigger when CO exceeds the set threshold.\u003c\/p\u003e\n\u003ch3\u003eHow accurate is it and does it need calibration?\u003c\/h3\u003e\u003cp\u003eIt is factory-set; verify it periodically against a known CO source and replace the sensor per the manufacturer's guidance to keep readings reliable.\u003c\/p\u003e\n\u003ch3\u003eIs it good for HVAC and generator work?\u003c\/h3\u003e\u003cp\u003eYes — it is popular with HVAC techs and for generator\/engine work where CO is the main risk, thanks to its low cost and color display.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eAnything other than CO. For H2S, O2 or combustibles you need a different monitor — see the \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eIs the CT-580 industrial grade?\u003c\/h3\u003e\u003cp\u003eIt is a capable prosumer personal monitor. For sealed industrial-clip durability and a documented 2-year life, choose the \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip CO\"\u003eBW Clip CO\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eTopTes CT-580 CO detector\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B0DGLFL7K8?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this TopTes page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for TopTes CT-580 and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector#product\", \"name\": \"TopTes CT-580 CO Detector — Rechargeable Personal Carbon Monoxide Monitor\", \"description\": \"TopTes CT-580 CO detector — rechargeable personal carbon monoxide monitor, 0-1000 ppm, color display, triple alarm. Order at WC Safety.\", \"sku\": \"B0DGLFL7K8\", \"mpn\": \"CT-580\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/toptes-ct-580-co-detector.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"TopTes\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\", \"priceCurrency\": \"USD\", \"price\": \"63.74\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"TopTes CT-580 CO Detector — Rechargeable Personal Carbon Monoxide Monitor\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the TopTes CT-580 CO detector measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Carbon monoxide (CO) from 0 to 1000 ppm, with real-time, peak and TWA readings on a color display.\"}}, {\"@type\": \"Question\", \"name\": \"Is the CT-580 rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it uses a rechargeable battery, so there are no disposable cells to replace between uses.\"}}, {\"@type\": \"Question\", \"name\": \"How is it different from the Honeywell BW Clip CO?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CT-580 is a lower-cost rechargeable monitor with a color display; the BW Clip CO is a sealed 2-year maintenance-free industrial clip that needs no service over its life.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use the CT-580 for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it monitors CO only. Confined-space entry needs O2, combustible and toxic testing; use a Portable Gas Detectors 4-gas instrument for that.\"}}, {\"@type\": \"Question\", \"name\": \"Does it show peak and average exposure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it displays real-time, peak and time-weighted-average (TWA) CO readings, useful for tracking exposure over a shift.\"}}, {\"@type\": \"Question\", \"name\": \"Where should I wear or place it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Clip or carry it in the breathing zone for personal monitoring; keep it near the work area when used as a spot CO check.\"}}, {\"@type\": \"Question\", \"name\": \"What alarms does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Audible, visual and vibration alarms trigger when CO exceeds the set threshold.\"}}, {\"@type\": \"Question\", \"name\": \"How accurate is it and does it need calibration?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is factory-set; verify it periodically against a known CO source and replace the sensor per the manufacturer's guidance to keep readings reliable.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good for HVAC and generator work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it is popular with HVAC techs and for generator\/engine work where CO is the main risk, thanks to its low cost and color display.\"}}, {\"@type\": \"Question\", \"name\": \"What does it not detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Anything other than CO. For H2S, O2 or combustibles you need a different monitor — see the Personal \u0026 Wearable Gas Detectors hub.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for live availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Is the CT-580 industrial grade?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is a capable prosumer personal monitor. For sealed industrial-clip durability and a documented 2-year life, choose the BW Clip CO.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"TopTes\"}]}\n\u003c\/script\u003e","brand":"TopTes","offers":[{"title":"Default Title","offer_id":44266437017688,"sku":"B0DGLFL7K8","price":63.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/71Wi-JkGbQL._AC_SL1500.jpg?v=1782121783"},{"product_id":"bw-gasalertmicroclip-xl-4-gas-detector","title":"BW GasAlertMicroClip XL 4 Gas Detector (O2, LEL, CO, H2S)","description":"\u003c!-- PRODUCT B00N9SXUH0 | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the BW GasAlertMicroClip XL is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eBW GasAlertMicroClip XL 4 Gas Detector — Wearable O2, LEL, CO \u0026amp; H2S\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBW GasAlertMicroClip XL\u003c\/strong\u003e is the wearable 4-gas workhorse — a \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e that puts O2, LEL combustibles, CO and H2S on one worker with datalogging and automated docking. It is the industrial standard when one person needs full four-gas coverage all shift.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe BW GasAlertMicroClip XL is a compact, wearable four-gas monitor (O2, LEL, CO, H2S) with datalogging, triple alarms and automated docking via IntelliDoX or MicroDock II.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eWearable 4-gas monitor reading O2, LEL combustibles, CO and H2S on one worker\u003c\/li\u003e\n\u003cli\u003eExtended run time and compact body for all-shift wear\u003c\/li\u003e\n\u003cli\u003eAudible, visual and vibrating alarms for high-noise environments\u003c\/li\u003e\n\u003cli\u003eFull datalogging for compliance records\u003c\/li\u003e\n\u003cli\u003eAutomated bump testing and calibration via IntelliDoX or MicroDock II\u003c\/li\u003e\n\u003cli\u003eA long-standing industrial standard for personal confined-space monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eFull 4-gas coverage on one worker\u003c\/li\u003e\n\u003cli\u003eProven industrial-standard platform\u003c\/li\u003e\n\u003cli\u003eDatalogging for compliance\u003c\/li\u003e\n\u003cli\u003eAutomated docking bump\/cal\u003c\/li\u003e\n\u003cli\u003eRugged, reliable build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eFar higher cost than single-gas clips\u003c\/li\u003e\n\u003cli\u003eRechargeable\/serviceable — needs charging and sensor upkeep\u003c\/li\u003e\n\u003cli\u003eDiffusion only (pump versions are separate models)\u003c\/li\u003e\n\u003cli\u003eNo VOC\/PID coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGases detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eO2, LEL combustibles, CO, H2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eForm factor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCompact wearable, clip-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRechargeable battery, extended run time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible, visual \u0026amp; vibrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensors\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eElectrochemical (O2\/CO\/H2S) + catalytic bead (LEL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDatalogging\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDocking\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eIntelliDoX \/ MicroDock II for automated bump\/cal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRugged, water- \u0026amp; dust-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the BW GasAlertMicroClip XL fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfined-space entry teams\u003c\/li\u003e\n\u003cli\u003eUtilities and municipal crews\u003c\/li\u003e\n\u003cli\u003eOil, gas and refinery work\u003c\/li\u003e\n\u003cli\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli\u003ePrograms needing datalogging and docking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the BW GasAlertMicroClip XL detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eIt monitors \u003cstrong\u003eO2, LEL combustibles, CO and H2S\u003c\/strong\u003e — the confined-space four-gas set. It does not read VOCs, CO2 or specific toxics like chlorine; those need a PID or dedicated sensor. It is a diffusion instrument, so for remote pre-entry sampling use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump monitor. For the lowest-maintenance wearable 4-gas, compare the sealed \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e; for single-hazard wear, the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip H2S\"\u003eBW Clip H2S\u003c\/a\u003e family. Automate bump\/cal with IntelliDoX or MicroDock.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eHoneywell BW wearable 4-gas family compared\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003ccaption style=\"color:#bdae9d;font-size:0.85em;text-align:left;padding:4px 0;\"\u003eHoneywell BW wearable 4-gas family (O2, LEL, CO, H2S)\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eService model\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eBump\/cal docking\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eNotable\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eStreet price\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eRechargeable, serviceable\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eIntelliDoX \/ MicroDock\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eDatalogging, motion alert\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$539\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#2a2520;\"\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003cstrong\u003e\u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2-yr maintenance-free\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eOptional\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eSealed, hibernate mode\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eGasAlertMicroClip XL\u003c\/strong\u003e for a serviceable, datalogging 4-gas wearable with docking automation.\u003c\/li\u003e\n\u003cli\u003ePick the \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e for a sealed 2-year maintenance-free 4-gas with no charging.\u003c\/li\u003e\n\u003cli\u003eOnly one hazard? A single-gas \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip\"\u003eBW Clip\u003c\/a\u003e costs far less per worker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat gases does the GasAlertMicroClip XL detect?\u003c\/h3\u003e\u003cp\u003eO2, LEL combustibles, CO and H2S — the standard confined-space set. For VOCs you need a PID; see the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\u003ch3\u003eHow is the MicroClip XL different from the BW Clip4?\u003c\/h3\u003e\u003cp\u003eThe MicroClip XL is rechargeable and serviceable with datalogging and docking; the \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e is sealed and 2-year maintenance-free with no charging.\u003c\/p\u003e\n\u003ch3\u003eDoes it log data?\u003c\/h3\u003e\u003cp\u003eYes — it provides full datalogging that downloads through IntelliDoX or MicroDock II for compliance records.\u003c\/p\u003e\n\u003ch3\u003eHow do I bump-test and calibrate it?\u003c\/h3\u003e\u003cp\u003eUse four-gas calibration gas; the IntelliDoX or MicroDock II docking stations automate bump testing and calibration and record the results.\u003c\/p\u003e\n\u003ch3\u003eIs it good for confined-space entry?\u003c\/h3\u003e\u003cp\u003eYes for personal monitoring during entry. Pre-entry sampling of a sealed space still needs a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump instrument.\u003c\/p\u003e\n\u003ch3\u003eIs the MicroClip XL rechargeable?\u003c\/h3\u003e\u003cp\u003eYes — it uses a rechargeable battery with extended run time for full-shift wear; recharge between shifts.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it have?\u003c\/h3\u003e\u003cp\u003eAudible, visual and vibrating alarms trigger when any of the four gases exceeds its set point.\u003c\/p\u003e\n\u003ch3\u003eDoes it have a pump?\u003c\/h3\u003e\u003cp\u003eThis model is diffusion. For remote sample-draw before entry, use a pump-equipped \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e monitor.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eNo VOCs, CO2 or gas-specific toxics like chlorine or ammonia. For VOC work use a PID; browse the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e hub.\u003c\/p\u003e\n\u003ch3\u003eWho is the MicroClip XL for?\u003c\/h3\u003e\u003cp\u003eCrews that need full four-gas coverage per worker with datalogging and docking — utilities, oil and gas, and confined-space teams. For one hazard, a \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"single-gas BW Clip\"\u003esingle-gas BW Clip\u003c\/a\u003e is cheaper.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eDoes it come with docking or calibration gas?\u003c\/h3\u003e\u003cp\u003eDocking stations and calibration gas are sold separately. Budget for IntelliDoX\/MicroDock and four-gas calibration gas for an automated program.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eBW GasAlertMicroClip XL\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B00N9SXUH0?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this Honeywell BW page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for BW GasAlertMicroClip XL and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector#product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector (O2, LEL, CO, H2S)\", \"description\": \"BW GasAlertMicroClip XL 4 gas detector — wearable O2, LEL, CO \u0026 H2S monitor with datalogging and triple alarm. Order this Honeywell BW unit at WC Safety.\", \"sku\": \"B00N9SXUH0\", \"mpn\": \"MCXL-XWHM-Y-NA\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/bw-gasalertmicroclip-xl-4-gas-detector.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\", \"priceCurrency\": \"USD\", \"price\": \"538.89\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector (O2, LEL, CO, H2S)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What gases does the GasAlertMicroClip XL detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"O2, LEL combustibles, CO and H2S — the standard confined-space set. For VOCs you need a PID; see the Gas Detectors range.\"}}, {\"@type\": \"Question\", \"name\": \"How is the MicroClip XL different from the BW Clip4?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The MicroClip XL is rechargeable and serviceable with datalogging and docking; the BW Clip4 is sealed and 2-year maintenance-free with no charging.\"}}, {\"@type\": \"Question\", \"name\": \"Does it log data?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it provides full datalogging that downloads through IntelliDoX or MicroDock II for compliance records.\"}}, {\"@type\": \"Question\", \"name\": \"How do I bump-test and calibrate it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use four-gas calibration gas; the IntelliDoX or MicroDock II docking stations automate bump testing and calibration and record the results.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes for personal monitoring during entry. Pre-entry sampling of a sealed space still needs a Portable Gas Detectors pump instrument.\"}}, {\"@type\": \"Question\", \"name\": \"Is the MicroClip XL rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it uses a rechargeable battery with extended run time for full-shift wear; recharge between shifts.\"}}, {\"@type\": \"Question\", \"name\": \"What alarms does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Audible, visual and vibrating alarms trigger when any of the four gases exceeds its set point.\"}}, {\"@type\": \"Question\", \"name\": \"Does it have a pump?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This model is diffusion. For remote sample-draw before entry, use a pump-equipped Portable Gas Detectors monitor.\"}}, {\"@type\": \"Question\", \"name\": \"What does it not detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No VOCs, CO2 or gas-specific toxics like chlorine or ammonia. For VOC work use a PID; browse the Gas Detectors hub.\"}}, {\"@type\": \"Question\", \"name\": \"Who is the MicroClip XL for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Crews that need full four-gas coverage per worker with datalogging and docking — utilities, oil and gas, and confined-space teams. For one hazard, a single-gas BW Clip is cheaper.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for live availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Does it come with docking or calibration gas?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Docking stations and calibration gas are sold separately. Budget for IntelliDoX\/MicroDock and four-gas calibration gas for an automated program.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}]}\n\u003c\/script\u003e","brand":"Honeywell BW","offers":[{"title":"Default Title","offer_id":44266437279832,"sku":"B00N9SXUH0","price":538.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/61IxGevGldL._SL1091.jpg?v=1782121787"},{"product_id":"honeywell-bw-clip4-4-gas-detector","title":"Honeywell BW Clip4 4 Gas Detector — 2-Year Maintenance-Free (O2, LEL, CO, H2S)","description":"\u003c!-- PRODUCT B072MKBNL1 | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the BW Clip4 4 gas detector is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eHoneywell BW Clip4 4 Gas Detector — 2-Year Maintenance-Free Wearable\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBW Clip4 4 gas detector\u003c\/strong\u003e brings the BW Clip’s zero-maintenance philosophy to all four confined-space gases — a \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e that runs two years with no charging, sensor swaps or docking. Issue it, use it, replace it at end of life.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Honeywell BW Clip4 is a 2-year maintenance-free wearable four-gas detector (O2, LEL, CO, H2S) with hibernate mode and no charging, sensor replacement or docking required.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eReads all four confined-space gases — O2, LEL, CO and H2S — with zero maintenance\u003c\/li\u003e\n\u003cli\u003eRuns 2 years with no charging, no battery swaps and no sensor replacement\u003c\/li\u003e\n\u003cli\u003eHibernate mode pauses the clock between deployments to stretch the 2-year life\u003c\/li\u003e\n\u003cli\u003eAudible, visual and vibrating alarms\u003c\/li\u003e\n\u003cli\u003eCompact, rugged Lexan\/TPE wearable body\u003c\/li\u003e\n\u003cli\u003eThe simplest 4-gas program — issue it, use it, replace at end of life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003e4-gas coverage with zero maintenance\u003c\/li\u003e\n\u003cli\u003eNo charging, sensor swaps or docking required\u003c\/li\u003e\n\u003cli\u003eHibernate mode extends usable life\u003c\/li\u003e\n\u003cli\u003eTriple alarm modes\u003c\/li\u003e\n\u003cli\u003eLowest lifetime admin of any 4-gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eHighest upfront price of the wearables\u003c\/li\u003e\n\u003cli\u003eNot serviceable — replace at end of life\u003c\/li\u003e\n\u003cli\u003eDiffusion only (no pump)\u003c\/li\u003e\n\u003cli\u003eNo VOC\/PID coverage; limited datalogging vs MicroClip XL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGases detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eO2, LEL combustibles, CO, H2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eService life\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e2 years continuous, maintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eForm factor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCompact wearable, clip-on (4.7\" x 2.7\" x 1.3\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eSealed — no charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible, visual \u0026amp; vibrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSpecial feature\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eHibernate mode to extend deployment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensors\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eElectrochemical (O2\/CO\/H2S) + catalytic bead (LEL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eLexan\/TPE, rugged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the Honeywell BW Clip4 fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eIntermittent confined-space entry\u003c\/li\u003e\n\u003cli\u003eContractors who want zero upkeep\u003c\/li\u003e\n\u003cli\u003eFleet programs avoiding charging logistics\u003c\/li\u003e\n\u003cli\u003eRemote sites without docking infrastructure\u003c\/li\u003e\n\u003cli\u003eBackup 4-gas units kept ready in hibernate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the Honeywell BW Clip4 detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eIt monitors \u003cstrong\u003eO2, LEL combustibles, CO and H2S\u003c\/strong\u003e — not VOCs, CO2 or specific toxics. It is diffusion, so pre-entry sampling needs a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump instrument. Compared with the serviceable \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e, the Clip4 trades datalogging depth and rechargeability for zero maintenance. For single-hazard wear, the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip\"\u003eBW Clip\u003c\/a\u003e single-gas family costs far less. Bump-test before use; hibernate it between jobs to preserve the 2-year clock.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eHoneywell BW wearable 4-gas family compared\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003ccaption style=\"color:#bdae9d;font-size:0.85em;text-align:left;padding:4px 0;\"\u003eHoneywell BW wearable 4-gas family (O2, LEL, CO, H2S)\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eService model\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eBump\/cal docking\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eNotable\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eStreet price\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eRechargeable, serviceable\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eIntelliDoX \/ MicroDock\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eDatalogging, motion alert\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$539\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#2a2520;\"\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e\u003cstrong\u003e\u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e2-yr maintenance-free\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eOptional\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eSealed, hibernate mode\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eBW Clip4\u003c\/strong\u003e for the lowest-upkeep 4-gas wearable — no charging, no sensor swaps for 2 years.\u003c\/li\u003e\n\u003cli\u003ePick the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e if you need datalogging, rechargeability and docking automation.\u003c\/li\u003e\n\u003cli\u003eOnly one hazard? A single-gas \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"BW Clip\"\u003eBW Clip\u003c\/a\u003e is far cheaper per worker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat gases does the BW Clip4 detect?\u003c\/h3\u003e\u003cp\u003eO2, LEL combustibles, CO and H2S — the confined-space four-gas set, with no VOC or CO2 coverage (use a PID for those; see the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e hub).\u003c\/p\u003e\n\u003ch3\u003eHow long does the BW Clip4 last?\u003c\/h3\u003e\u003cp\u003eTwo years of continuous use with no charging, no battery swaps and no sensor replacement. Hibernate mode pauses the clock between deployments to extend usable life.\u003c\/p\u003e\n\u003ch3\u003eHow is the Clip4 different from the GasAlertMicroClip XL?\u003c\/h3\u003e\u003cp\u003eThe Clip4 is sealed and 2-year maintenance-free; the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"MicroClip XL\"\u003eMicroClip XL\u003c\/a\u003e is rechargeable and serviceable with deeper datalogging and docking automation.\u003c\/p\u003e\n\u003ch3\u003eDo I need to charge the BW Clip4?\u003c\/h3\u003e\u003cp\u003eNo — it is sealed with no charging required for its full 2-year life, which removes charging logistics from your program.\u003c\/p\u003e\n\u003ch3\u003eWhat is hibernate mode?\u003c\/h3\u003e\u003cp\u003eHibernate pauses the 2-year service clock when the unit is not in use, so intermittent users get more usable life from the sealed battery.\u003c\/p\u003e\n\u003ch3\u003eDo I still bump-test the Clip4?\u003c\/h3\u003e\u003cp\u003eYes — bump-test before use to confirm sensors and alarms respond, even though no sensor or battery service is needed.\u003c\/p\u003e\n\u003ch3\u003eIs it good for confined-space entry?\u003c\/h3\u003e\u003cp\u003eYes for personal monitoring. Pre-entry sampling of a sealed space still needs a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump instrument.\u003c\/p\u003e\n\u003ch3\u003eDoes it have a pump?\u003c\/h3\u003e\u003cp\u003eNo — it is diffusion. For remote sample-draw, use a pump-equipped \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e monitor.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it have?\u003c\/h3\u003e\u003cp\u003eAudible, visual and vibrating alarms trigger when any of the four gases exceeds its set point.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eVOCs, CO2 and specific toxics like chlorine or ammonia are outside its range; use a PID or dedicated sensor for those.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eWho should buy the BW Clip4 over a single-gas clip?\u003c\/h3\u003e\u003cp\u003eWorkers facing several gases who want zero upkeep. If only one hazard applies, a single-gas \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"BW Clip\"\u003eBW Clip\u003c\/a\u003e is more economical per worker.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eBW Clip4 4 gas detector\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B072MKBNL1?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this Honeywell BW page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for Honeywell BW Clip4 and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector#product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector — 2-Year Maintenance-Free (O2, LEL, CO, H2S)\", \"description\": \"BW Clip4 4 gas detector — 2-year maintenance-free wearable O2, LEL, CO \u0026 H2S monitor, no charging or sensor swaps. Order this Honeywell BW unit at WC Safety.\", \"sku\": \"B072MKBNL1\", \"mpn\": \"BWC4-Y-N\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/honeywell-bw-clip4-4-gas-detector.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"RKI GX3R 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\", \"priceCurrency\": \"USD\", \"price\": \"819.88\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Honeywell BW Clip4 4 Gas Detector — 2-Year Maintenance-Free (O2, LEL, CO, H2S)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What gases does the BW Clip4 detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"O2, LEL combustibles, CO and H2S — the confined-space four-gas set, with no VOC or CO2 coverage (use a PID for those; see the Gas Detectors hub).\"}}, {\"@type\": \"Question\", \"name\": \"How long does the BW Clip4 last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two years of continuous use with no charging, no battery swaps and no sensor replacement. Hibernate mode pauses the clock between deployments to extend usable life.\"}}, {\"@type\": \"Question\", \"name\": \"How is the Clip4 different from the GasAlertMicroClip XL?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Clip4 is sealed and 2-year maintenance-free; the MicroClip XL is rechargeable and serviceable with deeper datalogging and docking automation.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to charge the BW Clip4?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is sealed with no charging required for its full 2-year life, which removes charging logistics from your program.\"}}, {\"@type\": \"Question\", \"name\": \"What is hibernate mode?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hibernate pauses the 2-year service clock when the unit is not in use, so intermittent users get more usable life from the sealed battery.\"}}, {\"@type\": \"Question\", \"name\": \"Do I still bump-test the Clip4?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — bump-test before use to confirm sensors and alarms respond, even though no sensor or battery service is needed.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes for personal monitoring. Pre-entry sampling of a sealed space still needs a Portable Gas Detectors pump instrument.\"}}, {\"@type\": \"Question\", \"name\": \"Does it have a pump?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is diffusion. For remote sample-draw, use a pump-equipped Portable Gas Detectors monitor.\"}}, {\"@type\": \"Question\", \"name\": \"What alarms does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Audible, visual and vibrating alarms trigger when any of the four gases exceeds its set point.\"}}, {\"@type\": \"Question\", \"name\": \"What does it not detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"VOCs, CO2 and specific toxics like chlorine or ammonia are outside its range; use a PID or dedicated sensor for those.\"}}, {\"@type\": \"Question\", \"name\": \"Is it in stock and how does it ship?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the Amazon buy button for live availability and delivery timing through our fulfillment partner.\"}}, {\"@type\": \"Question\", \"name\": \"Who should buy the BW Clip4 over a single-gas clip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Workers facing several gases who want zero upkeep. If only one hazard applies, a single-gas BW Clip is more economical per worker.\"}}]}, {\"@type\": \"Organization\", \"@id\": \"https:\/\/wcsafety.com\/#org\", \"name\": \"WC Safety\", \"url\": \"https:\/\/wcsafety.com\", \"logo\": \"https:\/\/wcsafety.com\/cdn\/shop\/files\/logo.png\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/wcsafety.com\/#editor\", \"name\": \"Steven Eaton\", \"jobTitle\": \"Editorial Lead\", \"worksFor\": {\"@id\": \"https:\/\/wcsafety.com\/#org\"}, \"knowsAbout\": [\"industrial gas detection\", \"atmospheric monitoring\", \"personal protective equipment\"]}, {\"@type\": \"Brand\", \"name\": \"Honeywell BW\"}]}\n\u003c\/script\u003e","brand":"Honeywell BW","offers":[{"title":"Default Title","offer_id":44266437509208,"sku":"B072MKBNL1","price":819.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/612pPffRltL._SL1200.jpg?v=1782121790"},{"product_id":"rki-gx3r-4-gas-monitor","title":"RKI GX3R 4 Gas Monitor — LEL, O2, H2S, CO (Factory Calibrated)","description":"\u003c!-- PRODUCT B0FP5TCPHS | tag personal-gas-detector | TODO: add matching Product Review + best-of guide links when those silo layers exist --\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:0 0 18px 0;color:#f5e6d3;font-size:0.95em;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s note:\u003c\/strong\u003e the RKI GX3R 4 gas monitor is one of the instruments we curate in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eRKI GX3R 4 Gas Monitor — Compact Wearable LEL, O2, H2S \u0026amp; CO\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eRKI GX3R 4 gas monitor\u003c\/strong\u003e is one of the smallest wearable four-gas instruments available — a \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"personal gas detector\"\u003epersonal gas detector\u003c\/a\u003e reading LEL, O2, H2S and CO that ships factory-calibrated with a certificate, for workers who want full coverage in the lightest possible body.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#bdae9d;margin:10px 0 18px 0;\"\u003eJump to: \u003ca href=\"#features\" style=\"color:#ffb74d;\"\u003eFeatures\u003c\/a\u003e · \u003ca href=\"#specs\" style=\"color:#ffb74d;\"\u003eSpecs\u003c\/a\u003e · \u003ca href=\"#compatibility\" style=\"color:#ffb74d;\"\u003eWhat it detects\u003c\/a\u003e · \u003ca href=\"#comparison\" style=\"color:#ffb74d;\"\u003eComparison\u003c\/a\u003e · \u003ca href=\"#faq\" style=\"color:#ffb74d;\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe RKI GX3R is a compact, rechargeable wearable four-gas monitor (LEL, O2, H2S, CO) that ships factory-calibrated with a calibration certificate and includes datalogging.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompact, lightweight wearable reading LEL, O2, H2S and CO — one of the smallest 4-gas monitors\u003c\/li\u003e\n\u003cli\u003eShips factory-calibrated with a calibration certificate\u003c\/li\u003e\n\u003cli\u003eRechargeable Li-ion battery for full-shift use\u003c\/li\u003e\n\u003cli\u003eVisual, audible and vibration alarms\u003c\/li\u003e\n\u003cli\u003eIncludes a carry bag and certificate out of the box\u003c\/li\u003e\n\u003cli\u003eRKI Instruments build with warranty support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"display:flex;gap:14px;flex-wrap:wrap;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#1b3a2a;border:1px solid #4caf50;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003eVery compact and light for all-day wear\u003c\/li\u003e\n\u003cli\u003eFactory-calibrated with certificate included\u003c\/li\u003e\n\u003cli\u003eRechargeable Li-ion\u003c\/li\u003e\n\u003cli\u003eTriple alarm modes\u003c\/li\u003e\n\u003cli\u003eDatalogging for records\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:240px;background:#3a1e1e;border:1px solid #ef5350;border-radius:6px;padding:14px 18px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0 0;\"\u003e\n\u003cli\u003ePremium price\u003c\/li\u003e\n\u003cli\u003eNewer listing with limited public review history\u003c\/li\u003e\n\u003cli\u003eDiffusion only (no pump)\u003c\/li\u003e\n\u003cli\u003eNo VOC\/PID coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 id=\"specs\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;background:#1a1a1a;margin:14px 0;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#2a2a2a;\"\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eGases detected\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eLEL combustibles, O2, H2S, CO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eForm factor\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCompact wearable (one of the smallest 4-gas)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eRechargeable Li-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eVisual, audible \u0026amp; vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eFactory-calibrated; calibration certificate included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCarry bag \u0026amp; certificate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eSensors\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eCatalytic LEL + electrochemical O2\/H2S\/CO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color:#ffb74d;padding:8px 10px;border:1px solid #3a3a3a;white-space:nowrap;\"\u003eDatalogging\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the RKI GX3R fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfined-space entry\u003c\/li\u003e\n\u003cli\u003eUtilities and field service\u003c\/li\u003e\n\u003cli\u003eOil-and-gas spot monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli\u003eCrews wanting the smallest wearable 4-gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the RKI GX3R detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eIt detects \u003cstrong\u003eLEL combustibles, O2, H2S and CO\u003c\/strong\u003e — the confined-space set. It does not read VOCs, CO2 or specific toxics; those need a PID or dedicated sensor. It is diffusion, so pre-entry sampling needs a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump instrument. Among wearables, compare it with the serviceable \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"BW GasAlertMicroClip XL\"\u003eBW GasAlertMicroClip XL\u003c\/a\u003e and the sealed \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e. It ships factory-calibrated; bump-test before use and recalibrate on schedule.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\" title=\"Honeywell BW Clip H2S\"\u003eHoneywell BW Clip H2S\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-co-monitor-bwc2-m\" title=\"Honeywell BW Clip CO\"\u003eHoneywell BW Clip CO\u003c\/a\u003e, \u003ca href=\"\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\" title=\"Honeywell BW Clip O2\"\u003eHoneywell BW Clip O2\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-ct-580-co-detector\" title=\"TopTes CT-580 CO\"\u003eTopTes CT-580 CO\u003c\/a\u003e. For other gas-detection form factors see \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003eWhere the RKI GX3R fits among wearable 4-gas monitors\u003c\/h2\u003e\n\n\u003cp\u003eThe GX3R is RKI’s ultra-compact wearable four-gas, shipped factory-calibrated with a certificate. Against the Honeywell BW wearables, it emphasises small size; the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e emphasises datalogging and docking automation, while the \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e is sealed and 2-year maintenance-free.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eChoose the \u003cstrong\u003eRKI GX3R\u003c\/strong\u003e for the smallest, lightest wearable 4-gas with a calibration certificate in the box.\u003c\/li\u003e\n\u003cli\u003ePick the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"GasAlertMicroClip XL\"\u003eGasAlertMicroClip XL\u003c\/a\u003e for datalogging and docking automation.\u003c\/li\u003e\n\u003cli\u003ePick the \u003ca href=\"\/products\/honeywell-bw-clip4-4-gas-detector\" title=\"BW Clip4\"\u003eBW Clip4\u003c\/a\u003e for sealed 2-year zero-maintenance operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat gases does the RKI GX3R detect?\u003c\/h3\u003e\u003cp\u003eLEL combustibles, O2, H2S and CO — the confined-space four-gas set. For VOCs you need a PID; see the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\u003ch3\u003eDoes the GX3R come calibrated?\u003c\/h3\u003e\u003cp\u003eYes — it ships factory-calibrated with a calibration certificate, plus a carry bag. Bump-test before use and recalibrate on schedule.\u003c\/p\u003e\n\u003ch3\u003eWhy choose the GX3R over other wearables?\u003c\/h3\u003e\u003cp\u003eSize — it is one of the smallest and lightest four-gas monitors, which makes all-day wear more comfortable while still covering all four gases.\u003c\/p\u003e\n\u003ch3\u003eIs the RKI GX3R rechargeable?\u003c\/h3\u003e\u003cp\u003eYes — it uses a rechargeable Li-ion battery sized for full-shift use; recharge between shifts.\u003c\/p\u003e\n\u003ch3\u003eHow does it compare to the BW GasAlertMicroClip XL?\u003c\/h3\u003e\u003cp\u003eBoth are serviceable rechargeable 4-gas wearables; the GX3R is smaller, while the \u003ca href=\"\/products\/bw-gasalertmicroclip-xl-4-gas-detector\" title=\"MicroClip XL\"\u003eMicroClip XL\u003c\/a\u003e is a longer-established platform with broad docking support.\u003c\/p\u003e\n\u003ch3\u003eIs it good for confined-space entry?\u003c\/h3\u003e\u003cp\u003eYes for personal monitoring. Pre-entry sampling of a sealed space still requires a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e pump instrument.\u003c\/p\u003e\n\u003ch3\u003eDoes it log data?\u003c\/h3\u003e\u003cp\u003eYes — it includes datalogging for compliance records, downloadable per RKI's software\/dock.\u003c\/p\u003e\n\u003ch3\u003eDoes it have a pump?\u003c\/h3\u003e\u003cp\u003eThis is the diffusion model. For remote sample-draw before entry, use a pump-equipped \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e monitor.\u003c\/p\u003e\n\u003ch3\u003eWhat alarms does it have?\u003c\/h3\u003e\u003cp\u003eVisual, audible and vibration alarms trigger when any of the four gases exceeds its set point.\u003c\/p\u003e\n\u003ch3\u003eWhat does it not detect?\u003c\/h3\u003e\u003cp\u003eVOCs, CO2 and specific toxics like chlorine or ammonia are outside its range; use a PID or dedicated sensor for those.\u003c\/p\u003e\n\u003ch3\u003eIs it in stock and how does it ship?\u003c\/h3\u003e\u003cp\u003eUse the Amazon buy button for live availability and delivery timing through our fulfillment partner.\u003c\/p\u003e\n\u003ch3\u003eDoes it include a warranty?\u003c\/h3\u003e\u003cp\u003eThe listing notes factory calibration and warranty support from RKI; confirm current warranty terms with the manufacturer for your purchase.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;padding:16px 18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0 0 10px 0;color:#f5e6d3;\"\u003eReady to order the \u003cstrong\u003eRKI GX3R 4 gas monitor\u003c\/strong\u003e? Add it to your cart above, or check the current Amazon price below. Compare it against the rest of our \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e lineup before you buy.\u003c\/p\u003e\n\u003cp style=\"display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B0FP5TCPHS?tag=wcsafety04-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#FFD814;color:#0F1111;padding:13px 26px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #FCD200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003cspan style=\"font-size:0.8em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#1a2733;border:1px dashed #4fc3f7;padding:16px 20px;margin:30px 0 18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eWhy trust this RKI Instruments page?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer serving safety managers, procurement teams and field supervisors. The specifications here are taken from the manufacturer’s published listing for RKI GX3R and framed against \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 29 CFR 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA Permissible Exposure Limits\u003c\/a\u003e. Disclosed: WC Safety earns Amazon affiliate commissions on outbound clicks; that does not influence the specs shown or our lineup.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:18px 22px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eBy Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · specialization: atmospheric monitoring, gas detection and instrument selection.\u003cbr\u003e\n  \u003cstrong\u003eLast updated:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources reviewed:\u003c\/strong\u003e manufacturer product listing \u0026amp; specifications, OSHA 29 CFR 1910.146, OSHA Annotated PEL tables, ACGIH Threshold Limit Values.\u003cbr\u003e\n  \u003cstrong\u003eEditorial standard:\u003c\/strong\u003e \u003cem\u003eZero sponsored listings. No manufacturer input. Specs verified against the manufacturer’s published data.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:16px 20px;margin:18px 0;color:#cfd8dc;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#4fc3f7;\"\u003eHow this page is maintained.\u003c\/strong\u003e Specifications and pricing are reviewed against the manufacturer’s current listing and re-checked whenever the lineup changes. Gas-detection guidance follows \u003ca href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.146\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.146\u003c\/a\u003e and \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PELs\u003c\/a\u003e, cross-referenced with ACGIH TLVs.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#2a2520;border-left:4px solid #ff9800;padding:16px 20px;margin:18px 0;color:#f5e6d3;font-size:0.92em;\"\u003e\n  \u003cstrong style=\"color:#ffb74d;\"\u003eDisclosure.\u003c\/strong\u003e WC Safety participates in the Amazon Associates Program and earns commissions on qualifying purchases through outbound links on this page (tag wcsafety04-20). We are not sponsored by any instrument manufacturer. This page is buyer guidance, not medical, legal or regulatory advice — confirm gas-detection requirements for your site against the applicable OSHA standard and, for commercial monitoring programs, a Certified Industrial Hygienist (CIH).\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor#product\", \"name\": \"RKI GX3R 4 Gas Monitor — LEL, O2, H2S, CO (Factory Calibrated)\", \"description\": \"RKI GX3R 4 gas monitor — compact wearable LEL, O2, H2S \u0026 CO detector, factory-calibrated with certificate, rechargeable. Order at WC Safety.\", \"sku\": \"B0FP5TCPHS\", \"mpn\": \"GX3R\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/rki-gx3r-4-gas-monitor.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"RKI Instruments\"}, \"category\": \"Personal Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors#collection\", \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Honeywell BW Clip H2S Monitor (BWC2-H)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-h2s-monitor-bwc2-h\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip CO Monitor (BWC2-M)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip O2 Monitor (BWC2-X)\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-o2-monitor-bwc2-x\"}, {\"@type\": \"Product\", \"name\": \"TopTes CT-580 CO Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-ct-580-co-detector\"}, {\"@type\": \"Product\", \"name\": \"BW GasAlertMicroClip XL 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/bw-gasalertmicroclip-xl-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Honeywell BW Clip4 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/honeywell-bw-clip4-4-gas-detector\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor\", \"priceCurrency\": \"USD\", \"price\": \"640.00\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/rki-gx3r-4-gas-monitor#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wcsafety.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Personal \u0026 Wearable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/personal-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"RKI GX3R 4 Gas Monitor — LEL, O2, H2S, CO (Factory Calibrated)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What gases does the RKI GX3R detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"LEL combustibles, O2, H2S and CO — the confined-space four-gas set. For VOCs you need a PID; see the Gas Detectors range.\"}}, {\"@type\": \"Question\", \"name\": \"Does the GX3R come calibrated?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it ships factory-calibrated with a calibration certificate, plus a carry bag. Bump-test before use and recalibrate on schedule.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose the GX3R over other wearables?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Size — it is one of the smallest and lightest four-gas monitors, which makes all-day wear more comfortable while still covering all four gases.\"}}, {\"@type\": \"Question\", \"name\": \"Is the RKI GX3R rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it uses a rechargeable Li-ion battery sized for full-shift use; recharge between shifts.\"}}, {\"@type\": \"Question\", \"name\": \"How does it compare to the BW GasAlertMicroClip XL?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both are serviceable rechargeable 4-gas wearables; the GX3R is smaller, while the MicroClip XL is a longer-established platform with broad docking support.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes for personal monitoring. 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