{"product_id":"fs20x-211-21-2-honeywell-flame-sentry-uvdual-irvis-flame-detector-18-32vdc","title":"FS20X-211-21-2 | Honeywell Flame Sentry UV\/Dual IR\/VIS Flame Detector, 18–32VDC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Honeywell FS20X-211-21-2 is a multi-spectrum UV\/Dual IR\/VIS flame detector designed for advanced fire detection in hazardous and industrial environments. Operating from 18 to 32 VDC, it provides fast, accurate flame recognition with high immunity to false alarms.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 450.657px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eFire Detection Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eFS20X-211-21-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eFlame Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eMulti-spectrum UV\/Dual IR\/VIS flame detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003e18–32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eCircuit Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003e50–400 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 39.1875px;\"\u003e\u003cstrong\u003eDetection Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 39.1875px;\"\u003eUV, Dual IR, Visible spectrum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 39.1875px;\"\u003e\u003cstrong\u003eMounting Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 39.1875px;\"\u003e¾-inch NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 39.1875px;\"\u003e\u003cstrong\u003eField of View\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 39.1875px;\"\u003eWide-angle, multi-spectrum coverage (typical series specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eMilliseconds (depends on flame intensity and type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eAlarm, fault, and analog communication (series standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eExplosion-proof, corrosion-resistant housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eFire and flame detection in hazardous and industrial areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 39.1875px;\"\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 39.1875px;\"\u003eUL, FM, ATEX, and CE (series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnvironmental Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eDesigned for outdoor\/industrial environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eTypical Installations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003eRefineries, hangars, offshore rigs, power generation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.7675%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.0132%; height: 19.5938px;\"\u003e5 lbs (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About FS20X-211-21-2\u003c\/h4\u003e\n\u003cp\u003eThe FS20X-211-21-2 is part of Honeywell’s Flame Sentry (FSX) Series, utilizing patented UV\/Dual IR\/VIS detection technology for rapid response to a wide range of hydrocarbon and non-hydrocarbon fires. This advanced sensor combination enhances detection range while minimizing susceptibility to false triggers from sunlight, welding, or hot surfaces. The detector operates on 18–32 VDC, features a ¾-inch NPT mounting connection, and is designed for Class I and II Division 1 and 2 hazardous locations. With intelligent signal processing and field-proven reliability, the FS20X-211-21-2 is ideal for refineries, aircraft hangars, chemical plants, and power generation facilities requiring high-performance flame monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUV\/Dual IR\/VIS Detection: Multi-spectrum sensing ensures accurate flame recognition and superior false alarm rejection.\u003c\/li\u003e\n\u003cli\u003eWide Voltage Range: Operates from 18 to 32 VDC for flexible system integration.\u003c\/li\u003e\n\u003cli\u003eHigh Sensitivity: Detects hydrocarbon and non-hydrocarbon fires with extended range.\u003c\/li\u003e\n\u003cli\u003eFast Response Time: Rapid flame detection within milliseconds for critical protection.\u003c\/li\u003e\n\u003cli\u003eRugged Construction: Suitable for Class I\/II, Division 1 and 2 hazardous areas.\u003c\/li\u003e\n\u003cli\u003eStandard Mounting: ¾-inch NPT connection for simplified field installation.\u003c\/li\u003e\n\u003cli\u003eLow Power Consumption: Efficient design with typical circuit resistance of 50–400 ohms.\u003c\/li\u003e\n\u003cli\u003eProven Reliability: Designed for harsh industrial and outdoor fire protection environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FS20X-211-21-2 delivers the reliability and precision required for high-speed, multi-spectrum flame detection in critical safety applications.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105156079872,"sku":"FS20X-211-21-2","price":6240.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/fs20x-211-21-2.jpg?v=1785541512","url":"https:\/\/alotechparts.com\/products\/fs20x-211-21-2-honeywell-flame-sentry-uvdual-irvis-flame-detector-18-32vdc","provider":"Alo Tech Solutions","version":"1.0","type":"link"}