{"product_id":"toptes-pt210s-gas-leak-detector","title":"TopTes PT210S Gas Leak Detector — 4-in Probe, %LEL (Natural Gas, Methane)","description":"\u003c!-- PRODUCT B0C73NQC73 | tag gas-leak-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 PT210S gas leak detector is one of the instruments we curate in our \u003ca href=\"\/collections\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/klein-tools-et120-gas-leak-detector\" title=\"Klein Tools ET120\"\u003eKlein Tools ET120\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eTopTes PT210S Gas Leak Detector — Compact %LEL Combustible Sniffer\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTopTes PT210S gas leak detector\u003c\/strong\u003e is the pocketable, lowest-cost way to check for combustible gases such as natural gas (methane), propane and butane — a \u003ca href=\"\/collections\/gas-leak-detectors\" title=\"gas leak detector\"\u003egas leak detector\u003c\/a\u003e with a %LEL bar readout and a 4-inch probe for fast checks at fittings and valves. It finds the leak; it does not measure air safety.\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 PT210S is a compact, low-cost combustible gas leak detector with a 4-inch probe and a %LEL bar readout for natural gas, methane and propane.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompact combustible sniffer that reads in %LEL with a bar indicator\u003c\/li\u003e\n\u003cli\u003e4-inch probe for quick checks at fittings, valves and appliances\u003c\/li\u003e\n\u003cli\u003eAudible and visual alarms that climb as you near the leak\u003c\/li\u003e\n\u003cli\u003eLightweight (~67 g) and pocketable for grab-and-go checks\u003c\/li\u003e\n\u003cli\u003eLowest price in our leak-detector lineup, with 1,400+ ratings\u003c\/li\u003e\n\u003cli\u003eRuns on included AA batteries\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\u003eLowest-cost combustible sniffer\u003c\/li\u003e\n\u003cli\u003e%LEL bar readout\u003c\/li\u003e\n\u003cli\u003eCompact and pocketable\u003c\/li\u003e\n\u003cli\u003eStrong 4.6-star, 1,400+ reviews\u003c\/li\u003e\n\u003cli\u003eAA batteries included\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\u003eShort 4-inch probe (less reach)\u003c\/li\u003e\n\u003cli\u003eLocates leaks — not an atmosphere safety monitor\u003c\/li\u003e\n\u003cli\u003eCombustible gases only\u003c\/li\u003e\n\u003cli\u003eSemiconductor sensor needs periodic verification\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;\"\u003eFinds\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eNatural gas, methane, propane, combustibles\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;\"\u003eReadout\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e%LEL with bar indicator\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;\"\u003eProbe\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e4-inch fixed\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\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eAudible \u0026amp; visual\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;\"\u003eSemiconductor\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;\"\u003eAA batteries (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;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003e~67 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the TopTes PT210S fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eQuick fitting and valve leak checks\u003c\/li\u003e\n\u003cli\u003eHomeowner and light-trade use\u003c\/li\u003e\n\u003cli\u003eGrill, RV and appliance connections\u003c\/li\u003e\n\u003cli\u003eBackup pocket sniffer\u003c\/li\u003e\n\u003cli\u003eFast recheck after a repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the TopTes PT210S detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eIt detects combustible gases such as natural gas (methane), propane and butane — not refrigerants, CO or oxygen. For refrigerant use the \u003ca href=\"\/products\/toptes-rt-389-refrigerant-leak-detector\" title=\"TopTes RT-389\"\u003eTopTes RT-389\u003c\/a\u003e; for CO see the \u003ca href=\"\/collections\/carbon-monoxide-alarms-detectors\" title=\"Carbon Monoxide Alarms \u0026amp; Detectors\"\u003eCarbon Monoxide Alarms \u0026amp; Detectors\u003c\/a\u003e range. The short 4-inch probe suits quick checks at accessible fittings; for behind-appliance reach choose a gooseneck model like the \u003ca href=\"\/products\/toptes-pt520a-gas-leak-detector\" title=\"PT520A\"\u003ePT520A\u003c\/a\u003e. It locates leaks only — for entry safety use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e monitor.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/klein-tools-et120-gas-leak-detector\" title=\"Klein Tools ET120\"\u003eKlein Tools ET120\u003c\/a\u003e, \u003ca href=\"\/products\/forensics-detectors-gas-leak-detector\" title=\"Forensics Gas Leak Detector\"\u003eForensics Gas Leak Detector\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-pt-830s-gas-leak-detector\" title=\"TopTes PT-830S\"\u003eTopTes PT-830S\u003c\/a\u003e, \u003ca href=\"\/products\/toptes-pt520a-gas-leak-detector\" title=\"TopTes PT520A\"\u003eTopTes PT520A\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\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\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\"\u003eTopTes combustible leak detector 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;\"\u003eTopTes combustible gas leak detector family (natural gas, propane, methane)\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;\"\u003eProbe\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eDisplay \/ readout\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003ePower\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\/toptes-pt210s-gas-leak-detector\" title=\"PT210S\"\u003ePT210S\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e4 in fixed\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e%LEL bar + alarm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eAA batteries\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$32\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\/toptes-pt520a-gas-leak-detector\" title=\"PT520A\"\u003ePT520A\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e17 in gooseneck\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eTick-rate + alarm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eAA batteries\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$42\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\/toptes-pt-830s-gas-leak-detector\" title=\"PT-830S\"\u003ePT-830S\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e14.5 in flexible\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eTFT color, 0-10000 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eRechargeable\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$96\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\u003ePT210S\u003c\/strong\u003e for the cheapest, most pocketable combustible sniffer with a %LEL readout.\u003c\/li\u003e\n\u003cli\u003eNeed more reach? The \u003ca href=\"\/products\/toptes-pt520a-gas-leak-detector\" title=\"PT520A\"\u003ePT520A\u003c\/a\u003e adds a 17-inch gooseneck.\u003c\/li\u003e\n\u003cli\u003eWant rechargeable + color display? Step up to the \u003ca href=\"\/products\/toptes-pt-830s-gas-leak-detector\" title=\"PT-830S\"\u003ePT-830S\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 TopTes PT210S detect?\u003c\/h3\u003e\u003cp\u003eCombustible gases — natural gas, methane and propane — shown as %LEL. It does not detect refrigerants, CO or oxygen.\u003c\/p\u003e\n\u003ch3\u003eWhat does the %LEL readout mean?\u003c\/h3\u003e\u003cp\u003eIt shows combustible gas as a percentage of the Lower Explosive Limit, so you can see how strong a leak is as you sweep, not just that gas is present.\u003c\/p\u003e\n\u003ch3\u003eHow long is the PT210S probe?\u003c\/h3\u003e\u003cp\u003eIt has a short 4-inch fixed probe for quick checks at accessible fittings. For behind-appliance reach, choose the \u003ca href=\"\/products\/toptes-pt520a-gas-leak-detector\" title=\"PT520A\"\u003ePT520A\u003c\/a\u003e with a 17-inch gooseneck.\u003c\/p\u003e\n\u003ch3\u003eIs it good as a backup or homeowner tool?\u003c\/h3\u003e\u003cp\u003eYes — it is the lowest-cost, most pocketable option in the lineup, which makes it popular as a backup sniffer and for light-trade and homeowner use.\u003c\/p\u003e\n\u003ch3\u003eCan it tell me if a space is safe?\u003c\/h3\u003e\u003cp\u003eNo — it locates leaks only. For entry safety use a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e monitor or \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e clip.\u003c\/p\u003e\n\u003ch3\u003eIs the PT210S rechargeable?\u003c\/h3\u003e\u003cp\u003eNo — it runs on included AA batteries. For a rechargeable color-display model see the \u003ca href=\"\/products\/toptes-pt-830s-gas-leak-detector\" title=\"PT-830S\"\u003ePT-830S\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow do I pinpoint a leak with it?\u003c\/h3\u003e\u003cp\u003eHold the probe near fittings and valves and move slowly; the %LEL bar and alarm rise as you approach the leak.\u003c\/p\u003e\n\u003ch3\u003eDoes it detect refrigerant or CO?\u003c\/h3\u003e\u003cp\u003eNo — for refrigerant use the \u003ca href=\"\/products\/toptes-rt-389-refrigerant-leak-detector\" title=\"TopTes RT-389\"\u003eTopTes RT-389\u003c\/a\u003e; for CO see the \u003ca href=\"\/collections\/carbon-monoxide-alarms-detectors\" title=\"Carbon Monoxide Alarms \u0026amp; Detectors\"\u003eCarbon Monoxide Alarms \u0026amp; Detectors\u003c\/a\u003e range.\u003c\/p\u003e\n\u003ch3\u003eWill it detect propane?\u003c\/h3\u003e\u003cp\u003eYes — it detects propane along with natural gas and methane, so it works for grills, RVs and LP appliances.\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 need calibration?\u003c\/h3\u003e\u003cp\u003eVerify response against a known combustible source periodically; semiconductor sensors benefit from an occasional sensitivity check.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for confined-space entry?\u003c\/h3\u003e\u003cp\u003eOnly to find a leak — entry requires atmospheric testing with a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e 4-gas instrument.\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 PT210S gas leak 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\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak 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\/B0C73NQC73?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 PT210S 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-pt210s-gas-leak-detector#product\", \"name\": \"TopTes PT210S Gas Leak Detector — 4-in Probe, %LEL (Natural Gas, Methane)\", \"description\": \"TopTes PT210S gas leak detector — compact combustible sniffer with 4-in probe and %LEL readout for natural gas, methane and propane. Order at WC Safety.\", \"sku\": \"B0C73NQC73\", \"mpn\": \"PT210S\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/toptes-pt210s-gas-leak-detector.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"TopTes\"}, \"category\": \"Gas Leak Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/gas-leak-detectors#collection\", \"name\": \"Gas Leak Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/gas-leak-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Klein Tools ET120 Combustible Gas Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/klein-tools-et120-gas-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"Forensics Detectors Gas Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-detectors-gas-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"TopTes PT-830S Gas Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-pt-830s-gas-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"TopTes PT520A Gas Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-pt520a-gas-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"Fieldpiece DR58 Refrigerant Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/fieldpiece-dr58-refrigerant-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"Elitech ILD-200 Refrigerant Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/elitech-ild-200-refrigerant-leak-detector\"}, {\"@type\": \"Product\", \"name\": \"TopTes RT-389 Refrigerant Leak Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-rt-389-refrigerant-leak-detector\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/toptes-pt210s-gas-leak-detector\", \"priceCurrency\": \"USD\", \"price\": \"31.87\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/toptes-pt210s-gas-leak-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\": \"Gas Leak Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/gas-leak-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"TopTes PT210S Gas Leak Detector — 4-in Probe, %LEL (Natural Gas, Methane)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the TopTes PT210S detect?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Combustible gases — natural gas, methane and propane — shown as %LEL. It does not detect refrigerants, CO or oxygen.\"}}, {\"@type\": \"Question\", \"name\": \"What does the %LEL readout mean?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It shows combustible gas as a percentage of the Lower Explosive Limit, so you can see how strong a leak is as you sweep, not just that gas is present.\"}}, {\"@type\": \"Question\", \"name\": \"How long is the PT210S probe?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It has a short 4-inch fixed probe for quick checks at accessible fittings. For behind-appliance reach, choose the PT520A with a 17-inch gooseneck.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good as a backup or homeowner tool?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it is the lowest-cost, most pocketable option in the lineup, which makes it popular as a backup sniffer and for light-trade and homeowner use.\"}}, {\"@type\": \"Question\", \"name\": \"Can it tell me if a space is safe?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it locates leaks only. For entry safety use a Portable Gas Detectors monitor or Personal \u0026 Wearable Gas Detectors clip.\"}}, {\"@type\": \"Question\", \"name\": \"Is the PT210S rechargeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it runs on included AA batteries. For a rechargeable color-display model see the PT-830S.\"}}, {\"@type\": \"Question\", \"name\": \"How do I pinpoint a leak with it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold the probe near fittings and valves and move slowly; the %LEL bar and alarm rise as you approach the leak.\"}}, {\"@type\": \"Question\", \"name\": \"Does it detect refrigerant or CO?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — for refrigerant use the TopTes RT-389; for CO see the Carbon Monoxide Alarms \u0026 Detectors range.\"}}, {\"@type\": \"Question\", \"name\": \"Will it detect propane?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it detects propane along with natural gas and methane, so it works for grills, RVs and LP appliances.\"}}, {\"@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 need calibration?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Verify response against a known combustible source periodically; semiconductor sensors benefit from an occasional sensitivity check.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use it for confined-space entry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Only to find a leak — entry requires atmospheric testing with a Portable Gas Detectors 4-gas instrument.\"}}]}, {\"@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":44266483449944,"sku":"B0C73NQC73","price":31.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/61cuB_1woUL._AC_SL1500.jpg?v=1782122417","url":"https:\/\/wcsafety.com\/products\/toptes-pt210s-gas-leak-detector","provider":"WC Safety","version":"1.0","type":"link"}