{"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","url":"https:\/\/wcsafety.com\/products\/honeywell-bw-clip-co-monitor-bwc2-m","provider":"WC Safety","version":"1.0","type":"link"}