{"title":"Ammonia (NH3) Gas Detectors","description":"\u003c!-- gas-type subcollection: ammonia-gas-detectors | smart tag = ammonia-detector --\u003e\n\n\u003ch2\u003eWhich ammonia (NH3) gas detector should you buy in 2026?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eShort answer:\u003c\/strong\u003e For ammonia, use a dedicated NH3 monitor such as the \u003ca href=\"\/products\/forensics-ammonia-detector-nh3\" title=\"Forensics Ammonia Detector\"\u003eForensics Ammonia Detector\u003c\/a\u003e — for poultry and livestock barns, ammonia refrigeration and fertilizer handling, where NH3 is the hazard a 4-gas monitor doesn’t cover.\u003c\/p\u003e\n\n\u003cp\u003eAmmonia (NH3) is a pungent, toxic gas that is also flammable at high concentrations. It is common in agriculture, ammonia refrigeration plants, fertilizer handling and wastewater. NH3 detection uses an electrochemical sensor and is a hazard outside the standard four-gas set.\u003c\/p\u003e\n\n\u003cp\u003eThis is a gas-type collection under the \u003ca href=\"\/collections\/gas-detectors\" title=\"Gas Detectors\"\u003eGas Detectors\u003c\/a\u003e hub. Match the gas to the right form factor: \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e for carried checks, \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e for single-worker exposure, \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e for continuous plant monitoring, \u003ca href=\"\/collections\/area-gas-monitors\" title=\"Area \u0026amp; Transportable Gas Monitors\"\u003eArea \u0026amp; Transportable Gas Monitors\u003c\/a\u003e for job-site zones, and \u003ca href=\"\/collections\/gas-leak-detectors\" title=\"Gas Leak Detectors\"\u003eGas Leak Detectors\u003c\/a\u003e to pinpoint a leak source.\u003c\/p\u003e\n\n\u003ch2\u003eDetectors in this collection\u003c\/h2\u003e\n\n\u003cp\u003eThis collection gathers ammonia instruments. The \u003ca href=\"\/products\/forensics-ammonia-detector-nh3\" title=\"Forensics Ammonia Detector\"\u003eForensics Ammonia Detector\u003c\/a\u003e is a rugged handheld NH3 monitor with large digits and drop-test durability. For the four atmospheric gases alongside ammonia, pair it with a unit from \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cblockquote style=\"background:#1a1a1a;border-left:4px solid #ff9800;padding:14px 18px;margin:18px 0;color:#f5e6d3;\"\u003e\n\u003cstrong style=\"color:#ffb74d;\"\u003eEditor’s pick — a rugged handheld ammonia detector\u003c\/strong\u003e\u003cbr\u003eThe \u003ca href=\"\/products\/forensics-ammonia-detector-nh3\" title=\"Forensics Ammonia Detector\"\u003eForensics Ammonia Detector\u003c\/a\u003e pairs an electrochemical NH3 sensor with 10 ft drop-test durability at a low price — the practical pick for farm and plant use. \u003cspan style=\"display:block;margin-top:6px;font-size:0.82em;color:#bdae9d;\"\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases.\u003c\/span\u003e\u003cp style=\"margin-top:12px;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/s?k=ammonia+gas+detector+nh3\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\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003ch2\u003eHow to choose a ammonia detector\u003c\/h2\u003e\n\n\u003ch3\u003eElectrochemical NH3 sensor\u003c\/h3\u003e\u003cp\u003eAmmonia is measured with an electrochemical sensor; check the range matches your exposure levels (often 0-100 or 0-200 ppm).\u003c\/p\u003e\u003ch3\u003eToxic vs flammable\u003c\/h3\u003e\u003cp\u003eMost NH3 detectors monitor toxic exposure. Ammonia is also flammable at high concentrations — refrigeration plants may also need explosive-range (LEL) monitoring; see \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDurability\u003c\/h3\u003e\u003cp\u003eFarm and plant environments are harsh — drop-test durability and large, readable digits matter.\u003c\/p\u003e\n\n\u003ch2\u003eAmmonia (NH3) hazard, exposure limits \u0026amp; placement\u003c\/h2\u003e\n\n\u003cp\u003eThe OSHA Permissible Exposure Limit for ammonia is 50 ppm as an 8-hour TWA; ACGIH lists lower TWA and STEL values. Ammonia is lighter than air, so mount fixed detectors high near the ceiling, so it disperses upward, but high-concentration releases are dangerous at any level. Set alarms to the applicable limits and confirm current values with \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA's annotated PEL tables\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2 id=\"faq\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat detects ammonia gas?\u003c\/h3\u003e\u003cp\u003eA dedicated NH3 detector with an electrochemical ammonia sensor — a standard 4-gas (O2\/LEL\/CO\/H2S) monitor does not cover ammonia.\u003c\/p\u003e\n\u003ch3\u003eWhere are ammonia detectors used?\u003c\/h3\u003e\u003cp\u003ePoultry and livestock barns, ammonia refrigeration plants, fertilizer handling, wastewater and industrial cleaning.\u003c\/p\u003e\n\u003ch3\u003eWhat is the OSHA limit for ammonia?\u003c\/h3\u003e\u003cp\u003e50 ppm as an 8-hour TWA per the \u003ca href=\"https:\/\/www.osha.gov\/annotated-pels\" rel=\"noopener\" target=\"_blank\" style=\"color:#4fc3f7;\"\u003eOSHA PEL\u003c\/a\u003e; ACGIH lists lower TWA and short-term values.\u003c\/p\u003e\n\u003ch3\u003eIs ammonia flammable?\u003c\/h3\u003e\u003cp\u003eYes — at high concentrations ammonia is flammable, so refrigeration plants may also need explosive-range (LEL) monitoring in addition to toxic NH3 detection.\u003c\/p\u003e\n\u003ch3\u003eIs ammonia heavier or lighter than air?\u003c\/h3\u003e\u003cp\u003eLighter than air, so it tends to rise and disperse; high-concentration releases are still acutely dangerous.\u003c\/p\u003e\n\u003ch3\u003eDo ammonia sensors need calibration?\u003c\/h3\u003e\u003cp\u003eYes — bump-test with NH3 calibration gas and recalibrate on schedule; replace the sensor at end of life.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for confined-space entry?\u003c\/h3\u003e\u003cp\u003eAmmonia is one hazard; entry also needs O2, combustible and toxic testing with a \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"portable 4-gas instrument\"\u003eportable 4-gas instrument\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003ePortable or fixed ammonia detection?\u003c\/h3\u003e\u003cp\u003eHandheld units cover surveys and exposure; ammonia refrigeration plants often add \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"fixed detection\"\u003efixed detection\u003c\/a\u003e for continuous coverage.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Forensics Ammonia Detector cover?\u003c\/h3\u003e\u003cp\u003eThe \u003ca href=\"\/products\/forensics-ammonia-detector-nh3\" title=\"Forensics Ammonia Detector\"\u003eForensics Ammonia Detector\u003c\/a\u003e is a rugged handheld NH3 monitor for farm, refrigeration and industrial use.\u003c\/p\u003e\n\u003ch3\u003eHow dangerous is ammonia exposure?\u003c\/h3\u003e\u003cp\u003eAmmonia is acutely irritating and toxic; even brief high exposures damage the eyes and respiratory tract, so low alarm set points and ventilation matter.\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 ammonia detector collection?\u003c\/strong\u003e WC Safety is an independent industrial safety-equipment retailer. This collection is curated on detection principle, gas coverage and certification, grounded in published OSHA standards and manufacturer data — not paid placement. Disclosed: we earn Amazon affiliate commissions on outbound links; that does not influence what we recommend.\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;\"\u003eCurated by Steven Eaton, WC Safety Editorial\u003c\/strong\u003e — Industrial safety-equipment desk · atmospheric monitoring and chemical-specific gas detection.\u003cbr\u003e\n\u003cstrong\u003eLast reviewed:\u003c\/strong\u003e \u003ctime datetime=\"2026-06-22\"\u003eJune 22, 2026\u003c\/time\u003e · \u003cstrong\u003eSources:\u003c\/strong\u003e OSHA Annotated PEL tables, OSHA 29 CFR 1910, ACGIH Threshold Limit Values, manufacturer data sheets.\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 (tag wcsafety04-20). Buyer guidance only, not medical, legal or regulatory advice — confirm gas-detection requirements against the applicable OSHA standard and, for commercial programs, a Certified Industrial Hygienist (CIH).\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\/ammonia-gas-detectors#collection\",\n   \"name\": \"Ammonia (NH3) Gas Detectors\",\n   \"description\": \"Shop ammonia (NH3) gas detectors for farms, refrigeration and industry. Handheld NH3 monitors with electrochemical sensors. Compare and choose.\",\n   \"url\": \"https:\/\/wcsafety.com\/collections\/ammonia-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\/ammonia-gas-detectors#breadcrumb\"\n   }\n  },\n  {\n   \"@type\": \"FAQPage\",\n   \"mainEntity\": [\n    {\n     \"@type\": \"Question\",\n     \"name\": \"What detects ammonia gas?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"A dedicated NH3 detector with an electrochemical ammonia sensor — a standard 4-gas (O2\/LEL\/CO\/H2S) monitor does not cover ammonia.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Where are ammonia detectors used?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Poultry and livestock barns, ammonia refrigeration plants, fertilizer handling, wastewater and industrial cleaning.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"What is the OSHA limit for ammonia?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"50 ppm as an 8-hour TWA per the OSHA PEL; ACGIH lists lower TWA and short-term values.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Is ammonia flammable?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Yes — at high concentrations ammonia is flammable, so refrigeration plants may also need explosive-range (LEL) monitoring in addition to toxic NH3 detection.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Is ammonia heavier or lighter than air?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Lighter than air, so it tends to rise and disperse; high-concentration releases are still acutely dangerous.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Do ammonia sensors need calibration?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Yes — bump-test with NH3 calibration gas and recalibrate on schedule; replace the sensor at end of life.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Can I use it for confined-space entry?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Ammonia is one hazard; entry also needs O2, combustible and toxic testing with a portable 4-gas instrument.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"Portable or fixed ammonia detection?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Handheld units cover surveys and exposure; ammonia refrigeration plants often add fixed detection for continuous coverage.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"What does the Forensics Ammonia Detector cover?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"The Forensics Ammonia Detector is a rugged handheld NH3 monitor for farm, refrigeration and industrial use.\"\n     }\n    },\n    {\n     \"@type\": \"Question\",\n     \"name\": \"How dangerous is ammonia exposure?\",\n     \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Ammonia is acutely irritating and toxic; even brief high exposures damage the eyes and respiratory tract, so low alarm set points and ventilation matter.\"\n     }\n    }\n   ]\n  },\n  {\n   \"@type\": \"BreadcrumbList\",\n   \"@id\": \"https:\/\/wcsafety.com\/collections\/ammonia-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\": \"Ammonia (NH3) Gas Detectors\"\n    }\n   ]\n  }\n ]\n}\n\u003c\/script\u003e","products":[{"product_id":"forensics-ammonia-detector-nh3","title":"Forensics Ammonia Detector — NH3 Gas Monitor (Farm, Refrigeration, Industrial)","description":"\u003c!-- PRODUCT B07C9HKNJK | tag portable-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 Forensics ammonia detector is one of the instruments we curate in our \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e buyer’s hub. Compare it with the \u003ca href=\"\/products\/forensics-voc-detector\" title=\"Forensics VOC Detector\"\u003eForensics VOC Detector\u003c\/a\u003e below before you order.\u003c\/div\u003e\n\n\u003ch2 id=\"top\"\u003eForensics Ammonia Detector — Handheld NH3 Gas Monitor\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eForensics ammonia detector\u003c\/strong\u003e is an affordable handheld NH3 monitor with large digits and 10 ft drop-test durability — the \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"portable gas detector\"\u003eportable gas detector\u003c\/a\u003e for farms, ammonia refrigeration and industry, covering a gas the standard four-gas set doesn’t.\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 Forensics Ammonia Detector is a handheld electrochemical NH3 gas monitor with large digits and 10 ft drop-test durability for farm, refrigeration and industrial use.\u003c\/p\u003e\n\n\u003ch3 id=\"features\"\u003eKey features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures ammonia (NH3) for farm, poultry, refrigeration and industrial environments\u003c\/li\u003e\n\u003cli\u003eElectrochemical NH3 sensor with large, easy-to-read digits\u003c\/li\u003e\n\u003cli\u003ePasses a 10 ft drop test for real jobsite durability\u003c\/li\u003e\n\u003cli\u003eAudible and visual alarms\u003c\/li\u003e\n\u003cli\u003eCompact, affordable handheld at 224 g\u003c\/li\u003e\n\u003cli\u003eCovers the NH3 hazard outside the standard 4-gas set\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\u003eAffordable dedicated NH3 detector\u003c\/li\u003e\n\u003cli\u003eDrop-tested durability\u003c\/li\u003e\n\u003cli\u003eLarge digits\u003c\/li\u003e\n\u003cli\u003eCompact handheld\u003c\/li\u003e\n\u003cli\u003eGood review base\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\u003eAmmonia only\u003c\/li\u003e\n\u003cli\u003eNot explosion-rated for flammable areas\u003c\/li\u003e\n\u003cli\u003eBattery powered\u003c\/li\u003e\n\u003cli\u003eSensor needs periodic replacement\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;\"\u003eAmmonia (NH3)\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;\"\u003eDurability\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003ePasses 10 ft drop test\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;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:8px 10px;border:1px solid #3a3a3a;\"\u003eLarge digits\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;\"\u003e224 g\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;\"\u003eFarm, poultry, refrigeration, industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch3\u003eWhere the Forensics Ammonia Detector fits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePoultry and livestock barns\u003c\/li\u003e\n\u003cli\u003eAmmonia refrigeration plants\u003c\/li\u003e\n\u003cli\u003eFertilizer handling\u003c\/li\u003e\n\u003cli\u003eWastewater and digesters (NH3)\u003c\/li\u003e\n\u003cli\u003eIndustrial cleaning operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat the Forensics Ammonia Detector detects (and what it doesn’t)\u003c\/h2\u003e\n\n\u003cp\u003eIt detects \u003cstrong\u003eammonia (NH3) only\u003c\/strong\u003e — not O2, combustibles, CO or H2S. For the four atmospheric gases use a \u003ca href=\"\/products\/forensics-detectors-4-gas-meter-confined-space\" title=\"Forensics 4 Gas Meter\"\u003eForensics 4 Gas Meter\u003c\/a\u003e; for other single toxics see the \u003ca href=\"\/products\/forensics-chlorine-analyzer-cl2\" title=\"Chlorine\"\u003eChlorine\u003c\/a\u003e or \u003ca href=\"\/products\/forensics-sulfur-dioxide-analyzer-so2\" title=\"SO2\"\u003eSO2\u003c\/a\u003e analyzers. Ammonia refrigeration plants often also monitor for the explosive range; this is a toxic-exposure monitor, not explosion-rated. Bump-test with NH3 calibration gas and recalibrate on schedule.\u003c\/p\u003e\n\n\u003cp\u003eCross-shopping? This unit sits in our \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e hub alongside \u003ca href=\"\/products\/forensics-voc-detector\" title=\"Forensics VOC Detector\"\u003eForensics VOC Detector\u003c\/a\u003e, \u003ca href=\"\/products\/amprobe-co2-100-carbon-dioxide-meter\" title=\"Amprobe CO2-100\"\u003eAmprobe CO2-100\u003c\/a\u003e, \u003ca href=\"\/products\/forensics-chlorine-analyzer-cl2\" title=\"Forensics Chlorine Analyzer\"\u003eForensics Chlorine Analyzer\u003c\/a\u003e, \u003ca href=\"\/products\/forensics-sulfur-dioxide-analyzer-so2\" title=\"Forensics SO2 Analyzer\"\u003eForensics SO2 Analyzer\u003c\/a\u003e. For other gas-detection form factors see \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, \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\"\u003eForensics specialty single-gas analyzers 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;\"\u003eForensics specialty single-gas analyzers (NIST-calibrated)\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;\"\u003eRange\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;padding:9px;border:1px solid #3a3a3a;text-align:left;\"\u003eSampling\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\/forensics-ammonia-detector-nh3\" title=\"Ammonia (NH3)\"\u003eAmmonia (NH3)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eNH3\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eHandheld\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eDiffusion\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$198\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\/forensics-chlorine-analyzer-cl2\" title=\"Chlorine (Cl2)\"\u003eChlorine (Cl2)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eCl2\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e0-50 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003ePump + 4ft probe\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$795\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\/forensics-sulfur-dioxide-analyzer-so2\" title=\"Sulfur Dioxide (SO2)\"\u003eSulfur Dioxide (SO2)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eSO2\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e0-20 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003ePump + 4ft probe\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$695\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\/forensics-voc-detector\" title=\"VOC\"\u003eVOC\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003eVOCs\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e0-100 ppm\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003ePump + 4ft probe\u003c\/td\u003e\n\u003ctd style=\"color:#e0e0e0;padding:9px;border:1px solid #3a3a3a;\"\u003e~$895\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\u003eAmmonia Detector\u003c\/strong\u003e for farm, refrigeration and industrial NH3 exposure at a low price.\u003c\/li\u003e\n\u003cli\u003eFor chlorine or SO2, see the \u003ca href=\"\/products\/forensics-chlorine-analyzer-cl2\" title=\"Chlorine\"\u003eChlorine\u003c\/a\u003e and \u003ca href=\"\/products\/forensics-sulfur-dioxide-analyzer-so2\" title=\"SO2\"\u003eSO2\u003c\/a\u003e analyzers.\u003c\/li\u003e\n\u003cli\u003eFor the four atmospheric gases, use a \u003ca href=\"\/products\/forensics-detectors-4-gas-meter-confined-space\" title=\"4 Gas Meter\"\u003e4 Gas Meter\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 Forensics ammonia detector measure?\u003c\/h3\u003e\u003cp\u003eAmmonia (NH3) only. For O2, LEL, CO and H2S use a \u003ca href=\"\/products\/forensics-detectors-4-gas-meter-confined-space\" title=\"4 gas meter\"\u003e4 gas meter\u003c\/a\u003e; for other toxics see the specialty analyzers.\u003c\/p\u003e\n\u003ch3\u003eWhere is an ammonia detector used?\u003c\/h3\u003e\u003cp\u003ePoultry and livestock barns, ammonia refrigeration plants, fertilizer handling, wastewater\/digesters and industrial cleaning.\u003c\/p\u003e\n\u003ch3\u003eIs it durable for farm and plant use?\u003c\/h3\u003e\u003cp\u003eYes — it passes a 10 ft drop test and has large digits for easy reading in the field.\u003c\/p\u003e\n\u003ch3\u003eIs it explosion-rated?\u003c\/h3\u003e\u003cp\u003eNo — it is a toxic-exposure monitor. Ammonia is also flammable at high concentrations; for explosive-range monitoring use a rated \u003ca href=\"\/collections\/fixed-gas-detection-systems\" title=\"Fixed Gas Detection Systems\"\u003eFixed Gas Detection Systems\u003c\/a\u003e or \u003ca href=\"\/collections\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable Gas Detectors\u003c\/a\u003e combustible instrument.\u003c\/p\u003e\n\u003ch3\u003eHow is it powered?\u003c\/h3\u003e\u003cp\u003eIt is battery powered and compact at 224 g; keep spare batteries for long shifts.\u003c\/p\u003e\n\u003ch3\u003eDoes it have alarms?\u003c\/h3\u003e\u003cp\u003eYes — audible and visual alarms trigger when NH3 exceeds the set point.\u003c\/p\u003e\n\u003ch3\u003eHow do I keep it accurate?\u003c\/h3\u003e\u003cp\u003eBump-test with ammonia calibration gas and recalibrate on the manufacturer's schedule; replace the sensor when it reaches end of life.\u003c\/p\u003e\n\u003ch3\u003eCan it detect other gases?\u003c\/h3\u003e\u003cp\u003eNo — it is NH3-specific. For chlorine use the \u003ca href=\"\/products\/forensics-chlorine-analyzer-cl2\" title=\"Forensics Chlorine Analyzer\"\u003eForensics Chlorine Analyzer\u003c\/a\u003e; for SO2 the \u003ca href=\"\/products\/forensics-sulfur-dioxide-analyzer-so2\" title=\"SO2 Analyzer\"\u003eSO2 Analyzer\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it good for ammonia refrigeration?\u003c\/h3\u003e\u003cp\u003eYes — it is suited to NH3 refrigeration plant exposure monitoring, alongside any required fixed detection.\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\u003eWhat are the OSHA limits for ammonia?\u003c\/h3\u003e\u003cp\u003eSet alarms to the applicable OSHA PEL and ACGIH TLV for ammonia; confirm current values for your program.\u003c\/p\u003e\n\u003ch3\u003eDo I need a personal monitor too?\u003c\/h3\u003e\u003cp\u003eFor continuous per-worker exposure, pair it with a \u003ca href=\"\/collections\/personal-gas-detectors\" title=\"Personal \u0026amp; Wearable Gas Detectors\"\u003ePersonal \u0026amp; Wearable Gas Detectors\u003c\/a\u003e clip where one is available for your gas, or wear this where appropriate.\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\u003eForensics ammonia 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\/portable-gas-detectors\" title=\"Portable Gas Detectors\"\u003ePortable 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\/B07C9HKNJK?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 Forensics Detectors 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 Forensics Ammonia Detector 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\/forensics-ammonia-detector-nh3#product\", \"name\": \"Forensics Ammonia Detector — NH3 Gas Monitor (Farm, Refrigeration, Industrial)\", \"description\": \"Forensics ammonia detector — handheld NH3 gas monitor for farms, poultry, refrigeration and industry. Drop-tested with large digits. Order at WC Safety.\", \"sku\": \"B07C9HKNJK\", \"mpn\": \"FD-NH3\", \"image\": [\"https:\/\/wcsafety.com\/cdn\/shop\/products\/forensics-ammonia-detector-nh3.jpg\"], \"brand\": {\"@type\": \"Brand\", \"name\": \"Forensics Detectors\"}, \"category\": \"Portable Gas Detector\", \"isPartOf\": {\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/wcsafety.com\/collections\/portable-gas-detectors#collection\", \"name\": \"Portable Gas Detectors\", \"url\": \"https:\/\/wcsafety.com\/collections\/portable-gas-detectors\"}, \"isRelatedTo\": [{\"@type\": \"Product\", \"name\": \"Forensics VOC Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-voc-detector\"}, {\"@type\": \"Product\", \"name\": \"Amprobe CO2-100 Carbon Dioxide Meter\", \"url\": \"https:\/\/wcsafety.com\/products\/amprobe-co2-100-carbon-dioxide-meter\"}, {\"@type\": \"Product\", \"name\": \"Forensics Chlorine (Cl2) Analyzer\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-chlorine-analyzer-cl2\"}, {\"@type\": \"Product\", \"name\": \"Forensics Sulfur Dioxide (SO2) Analyzer\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-sulfur-dioxide-analyzer-so2\"}, {\"@type\": \"Product\", \"name\": \"ATO Ozone (O3) Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/ato-ozone-gas-detector-o3\"}, {\"@type\": \"Product\", \"name\": \"ATO Handheld 4 Gas Detector\", \"url\": \"https:\/\/wcsafety.com\/products\/ato-handheld-4-gas-detector\"}, {\"@type\": \"Product\", \"name\": \"Forensics Mini 4 Gas Monitor\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-mini-4-gas-monitor\"}, {\"@type\": \"Product\", \"name\": \"Forensics Detectors 4 Gas Meter\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-detectors-4-gas-meter-confined-space\"}, {\"@type\": \"Product\", \"name\": \"Forensics Detectors 4 Gas Monitor with Pump\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-detectors-4-gas-monitor-with-pump\"}], \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/wcsafety.com\/products\/forensics-ammonia-detector-nh3\", \"priceCurrency\": \"USD\", \"price\": \"198.45\", \"availability\": \"https:\/\/schema.org\/InStock\", \"seller\": {\"@type\": \"Organization\", \"name\": \"WC Safety\"}}}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/wcsafety.com\/products\/forensics-ammonia-detector-nh3#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\": \"Portable Gas Detectors\", \"item\": \"https:\/\/wcsafety.com\/collections\/portable-gas-detectors\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Forensics Ammonia Detector — NH3 Gas Monitor (Farm, Refrigeration, Industrial)\"}]}, {\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the Forensics ammonia detector measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Ammonia (NH3) only. For O2, LEL, CO and H2S use a 4 gas meter; for other toxics see the specialty analyzers.\"}}, {\"@type\": \"Question\", \"name\": \"Where is an ammonia detector used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Poultry and livestock barns, ammonia refrigeration plants, fertilizer handling, wastewater\/digesters and industrial cleaning.\"}}, {\"@type\": \"Question\", \"name\": \"Is it durable for farm and plant use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it passes a 10 ft drop test and has large digits for easy reading in the field.\"}}, {\"@type\": \"Question\", \"name\": \"Is it explosion-rated?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is a toxic-exposure monitor. Ammonia is also flammable at high concentrations; for explosive-range monitoring use a rated Fixed Gas Detection Systems or Portable Gas Detectors combustible instrument.\"}}, {\"@type\": \"Question\", \"name\": \"How is it powered?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is battery powered and compact at 224 g; keep spare batteries for long shifts.\"}}, {\"@type\": \"Question\", \"name\": \"Does it have alarms?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — audible and visual alarms trigger when NH3 exceeds the set point.\"}}, {\"@type\": \"Question\", \"name\": \"How do I keep it accurate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Bump-test with ammonia calibration gas and recalibrate on the manufacturer's schedule; replace the sensor when it reaches end of life.\"}}, {\"@type\": \"Question\", \"name\": \"Can it detect other gases?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — it is NH3-specific. For chlorine use the Forensics Chlorine Analyzer; for SO2 the SO2 Analyzer.\"}}, {\"@type\": \"Question\", \"name\": \"Is it good for ammonia refrigeration?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it is suited to NH3 refrigeration plant exposure monitoring, alongside any required fixed detection.\"}}, {\"@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\": \"What are the OSHA limits for ammonia?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Set alarms to the applicable OSHA PEL and ACGIH TLV for ammonia; confirm current values for your program.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need a personal monitor too?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For continuous per-worker exposure, pair it with a Personal \u0026 Wearable Gas Detectors clip where one is available for your gas, or wear this where appropriate.\"}}]}, {\"@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\": \"Forensics Detectors\"}]}\n\u003c\/script\u003e","brand":"Forensics Detectors","offers":[{"title":"Default Title","offer_id":44266961174616,"sku":"B07C9HKNJK","price":198.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/71tzYuTXSjL._AC_SL1500.jpg?v=1782133085"}],"url":"https:\/\/wcsafety.com\/collections\/ammonia-gas-detectors.oembed","provider":"WC Safety","version":"1.0","type":"link"}