{"product_id":"honeywell-4h2s-100-hydrogen-sulfide-sensor","title":"Honeywell 4H2S-100 Hydrogen Sulfide Sensor 0-100ppm","description":"\u003cstyle\u003e\n.nxs-industrial-product-page {\n--industrial-navy: #082f49;\n    --industrial-blue: #0b4f7c;\n    --industrial-blue-2: #0f6ea8;\n    --industrial-blue-3: #1784c1;\n    --industrial-cyan: #38bdf8;\n    --steel-blue: #dcebf5;\n    --steel-blue-2: #edf6fb;\n    --steel-line: #c9dce9;\n    --surface: #ffffff;\n    --surface-soft: #f7fbfe;\n    --text-main: #173042;\n    --text-muted: #5e7382;\n    --shadow-soft: 0 10px 30px rgba(8, 47, 73, 0.08);\n    --shadow-hover: 0 16px 36px rgba(8, 79, 124, 0.15);\n    --radius-lg: 14px;\n    --radius-md: 10px;\n}\n\n.nxs-industrial-product-page, .nxs-industrial-product-page * {\nmargin: 0;\n    padding: 0;\n    box-sizing: border-box;\n    font-family: Arial, Helvetica, sans-serif;\n}\n\n.nxs-industrial-product-page {\nbackground-color: #f3f8fb;\n    background-image:\n        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anywhere;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nwidth: 42%;\n}\n\n.nxs-industrial-product-page .features {\ngrid-template-columns: 1fr;\n        gap: 12px;\n}\n\n.nxs-industrial-product-page .card {\npadding: 18px 17px;\n}\n\n.nxs-industrial-product-page .card:hover {\ntransform: none;\n}\n\n.nxs-industrial-product-page .section ul {\ngrid-template-columns: 1fr;\n        gap: 9px;\n}\n\n.nxs-industrial-product-page .section li {\npadding: 11px 12px 11px 36px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p {\npadding: 16px 14px 16px 48px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p::before {\nleft: 12px;\n        top: 15px;\n        min-width: 26px;\n        height: 26px;\n        font-size: 10px;\n}\n}\n\n@media (prefers-reduced-motion: reduce) {\n.nxs-industrial-product-page, .nxs-industrial-product-page *, .nxs-industrial-product-page *::before, .nxs-industrial-product-page *::after {\ntransition: none !important;\n}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e4H2S-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eHydrogen Sulfide Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eElectrochemical H2S sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Range\u003c\/td\u003e\n\u003ctd\u003e0 to 100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Overload\u003c\/td\u003e\n\u003ctd\u003e500 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e0.8 ± 0.2 mA\/ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaseline (20°C)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ±0.4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time (T90)\u003c\/td\u003e\n\u003ctd\u003e≤ 20 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity\u003c\/td\u003e\n\u003ctd\u003eLinear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e15% to 90% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e90 to 110 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBias Voltage\u003c\/td\u003e\n\u003ctd\u003e0 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected Operating Life\u003c\/td\u003e\n\u003ctd\u003e2 years in air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003e0–100 ppm Measurement Range\u003c\/h3\u003e\n\u003cp\u003eNominal measurement range of 0 to 100 ppm hydrogen sulfide with a maximum overload of 500 ppm.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e0.1 ppm Resolution\u003c\/h3\u003e\n\u003cp\u003eResolves H2S concentration changes down to 0.1 ppm for low-level detection.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFast T90 Response\u003c\/h3\u003e\n\u003cp\u003eResponse time (T90) of 20 seconds or less supports timely gas detection.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eLinear Output\u003c\/h3\u003e\n\u003cp\u003eLinear sensor output simplifies calibration and signal interpretation across the measurement range.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e0 mV Bias\u003c\/h3\u003e\n\u003cp\u003eOperates with 0 mV bias, simplifying the required sensor circuitry.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eCompact 5 g Package\u003c\/h3\u003e\n\u003cp\u003eApproximately 5 g sensor weight enables integration into compact gas detection instruments.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHydrogen sulfide gas detection in industrial environments\u003c\/li\u003e\n\u003cli\u003eOil and gas facility H2S monitoring\u003c\/li\u003e\n\u003cli\u003eWastewater treatment gas safety\u003c\/li\u003e\n\u003cli\u003eChemical plant toxic gas detection\u003c\/li\u003e\n\u003cli\u003eConfined space entry gas monitoring\u003c\/li\u003e\n\u003cli\u003ePortable and fixed H2S gas detectors\u003c\/li\u003e\n\u003cli\u003ePetrochemical process safety systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Honeywell 4H2S-100 Hydrogen Sulfide Sensor. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Honeywell 4H2S-100?\u003c\/strong\u003e\nIt is an electrochemical hydrogen sulfide sensor with a nominal measurement range of 0 to 100 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the measurement range?\u003c\/strong\u003e\nThe nominal range is 0 to 100 ppm, with a maximum overload of 500 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the sensitivity?\u003c\/strong\u003e\nThe sensitivity is 0.8 ± 0.2 mA\/ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the resolution?\u003c\/strong\u003e\nThe resolution is 0.1 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the response time?\u003c\/strong\u003e\nThe T90 response time is 20 seconds or less.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\nThe operating temperature range is -20°C to 50°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating humidity range?\u003c\/strong\u003e\nThe operating humidity range is 15% to 90% RH non-condensing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the sensor require a bias voltage?\u003c\/strong\u003e\nNo, the sensor operates with 0 mV bias.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the expected operating life?\u003c\/strong\u003e\nThe expected operating life is 2 years in air.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the sensor weight?\u003c\/strong\u003e\nThe sensor weighs approximately 5 g.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":68061438017615,"sku":"LL1-HWL-4H2S-100","price":51.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/4H2S-100-01.jpg?v=1794024033","url":"https:\/\/yunshuotrade.com\/products\/honeywell-4h2s-100-hydrogen-sulfide-sensor","provider":"yunshuotrade","version":"1.0","type":"link"}