{"product_id":"notifier-fsc-851-intelliquad-advanced-multi-criteria-fire-detector","title":"NOTIFIER FSC-851 IntelliQuad Advanced Multi-Criteria Fire Detector","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe NOTIFIER FSC-851 is an IntelliQuad advanced multi-criteria detector designed for intelligent addressable fire alarm systems. It combines photoelectric smoke, carbon monoxide, infrared, and thermal sensing with onboard algorithms to evaluate multiple fire signatures and improve discrimination between actual fires and nuisance conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 87.6812%; height: 401.876px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eNOTIFIER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eFSC-851\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eMulti-Criteria Detectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eIntelliQuad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eAdvanced Multi-Criteria Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eSensing Technologies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003ePhotoelectric Smoke, CO, Infrared, Thermal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eFlashScan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e15–32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eMaximum Standby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e200 µA at 24 VDC, No Communications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eMaximum Alarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e7 mA at 24 VDC, LED On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eApplication Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e32°F to 100°F (0°C to 38°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e10–93% RH, Non-Condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eSensitivity Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eThermal Alarm Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e135°F (57°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eIvory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e2.4 in H × 4.0 in Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eListings \/ Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003eUL Listed, FM Approved, CSFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 44.0323%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.7186%;\"\u003e4.6 oz (130 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan\u003eFSC-851\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe FSC-851 is a NOTIFIER IntelliQuad detector developed for compatible ONYX Series fire alarm control panels using FlashScan communication. Its four-sensor architecture incorporates photoelectric smoke detection, electrochemical CO sensing, infrared sensing, and thermal detection within a single addressable device. Internal algorithms continuously evaluate the sensor inputs and dynamically adjust parameters such as thresholds, gain, delays, sampling rates, and averaging rates according to environmental conditions. The detector provides six sensitivity levels, automatic drift compensation, twin LED indicators, and compatibility with multiple NOTIFIER detector bases for installation in intelligent fire detection systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eFour-Sensor Detection: Combines photoelectric smoke, carbon monoxide, infrared, and thermal sensing technologies.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntelliQuad Processing: Uses advanced onboard algorithms to evaluate multiple sensor inputs and identify fire conditions. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eFlashScan Communication: Supports NOTIFIER FlashScan protocol for intelligent addressable system communication.\u003c\/li\u003e\n\u003cli\u003eSix Sensitivity Levels: Provides selectable detection levels for different operating environments and applications.\u003c\/li\u003e\n\u003cli\u003eThermal Detection: Includes a dedicated thermal alarm setting at 135°F (57°C). \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatic Drift Compensation: Compensates for changes affecting the smoke sensor and CO sensing cell.\u003c\/li\u003e\n\u003cli\u003eDual LED Indicators: Twin LEDs provide 360-degree visual status indication and can be controlled by the fire alarm panel.\u003c\/li\u003e\n\u003cli\u003eNuisance Alarm Immunity: Multiple sensing elements and adaptive processing improve differentiation between fire signatures and non-fire environmental conditions. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FSC-851 delivers the reliability and precision required for multi-criteria intelligent fire detection in addressable life-safety systems.\u003c\/p\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":52256314720554,"sku":"FSC-851","price":322.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_ad1e538d-cc64-4f39-a50d-45df2e6a524e.webp?v=1786614993","url":"https:\/\/iqelectro.com\/products\/notifier-fsc-851-intelliquad-advanced-multi-criteria-fire-detector","provider":"IQElectro","version":"1.0","type":"link"}