{"product_id":"siga-osd-in-edwards-signature-optica-intelligent-smoke-detector-with-built-in-isolator","title":"SIGA-OSD-IN | Edwards Signature Optica Intelligent Smoke Detector with Built-in Isolator","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Edwards™ SIGA-OSD-IN is an intelligent optical smoke detector with a built-in isolator from the Signature Optica Series. It combines advanced dual-wavelength sensing with automatic circuit isolation, ensuring reliable fire detection and fault tolerance on addressable loops. Designed for use with Edwards Signature panels, it provides early smoke detection with reduced 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\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIGA-OSD-IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmoke Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensing Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric (Optical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in fault isolator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmoke Obscuration Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 to 4.36 %\/ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 selectable levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePre-alarm Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 thresholds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDirty Detector Warning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAddressing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic, up to ~250 devices per loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignature standard, relay, audible bases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBicolor (Green\/Red)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Format\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital peer-to-peer protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings\/Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 268 7th Edition, compatible with Signature loop controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntelligent fire detection with built-in circuit isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.42 lbs\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 \u003cspan data-sheets-root=\"1\"\u003eSIGA-OSD-IN\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe SIGA-OSD-IN is part of the Edwards Signature Optica family of addressable detectors, designed for intelligent fire alarm systems. Unlike the standard SIGA-OSD, this model integrates an isolator, allowing it to automatically separate shorted sections of the loop while maintaining communication with other devices. It employs dual-angle, multi-wavelength optical sensing technology for accurate smoke identification, filtering out nuisance particles such as dust or steam. The detector supports multiple sensitivity settings, environmental compensation, and self-diagnostics, making it suitable for a wide range of commercial and industrial fire protection applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in Isolator: Provides automatic circuit isolation during short-circuit conditions.\u003c\/li\u003e\n\u003cli\u003eAdvanced Optical Sensing: Dual wavelengths and multiple detection angles for accurate smoke detection.\u003c\/li\u003e\n\u003cli\u003eFalse Alarm Resistance: Intelligent algorithms reduce nuisance alarms from non-smoke particulates.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Compensation: Adjusts sensitivity over time to maintain stable performance.\u003c\/li\u003e\n\u003cli\u003eService Alerts: Two levels of dirty detector warnings for timely maintenance.\u003c\/li\u003e\n\u003cli\u003eFlexible Programming: Five sensitivity levels and twenty pre-alarm thresholds for customization.\u003c\/li\u003e\n\u003cli\u003eLoop Compatibility: Operates on Signature addressable circuits with up to 250 devices per loop.\u003c\/li\u003e\n\u003cli\u003eAutomatic Device Mapping: Panel identifies and supervises device locations automatically.\u003c\/li\u003e\n\u003cli\u003eOn-board Microprocessor: Enables distributed intelligence and faster decision-making.\u003c\/li\u003e\n\u003cli\u003eDiagnostic Functions: Self-testing with non-volatile memory for history and status retention.\u003c\/li\u003e\n\u003cli\u003eLED Status Indicators: Bicolor LEDs provide clear visual feedback for normal, alarm, and fault states.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SIGA-OSD-IN delivers precise detection, built-in fault isolation, and system reliability for demanding fire safety applications.\u003c\/p\u003e","brand":"Edwards EST","offers":[{"title":"Default Title","offer_id":49105189044480,"sku":"SIGA-OSD-IN","price":208.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/edwards-siga-osd-in-smoke-detector-116953.jpg?v=1785542204","url":"https:\/\/alotechparts.com\/products\/siga-osd-in-edwards-signature-optica-intelligent-smoke-detector-with-built-in-isolator","provider":"Alo Tech Solutions","version":"1.0","type":"link"}