{"product_id":"silent-knight-sk-ptir-w-multi-criteria-detector-white","title":"Silent Knight SK-PTIR-W Multi-Criteria Detector, White","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eThe SK-PTIR-W Intelligent Addressable Multi-Criteria Fire Detector is an advanced fire detection device designed to improve alarm accuracy by combining photoelectric smoke sensing, thermal detection, and infrared sensing technology in one compact unit. This multi-sensor approach helps identify genuine fire conditions while reducing unwanted alarms caused by environmental disturbances and nuisance particulates.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for commercial, institutional, and professional fire alarm installations, the SK-PTIR-W uses sophisticated detection algorithms to analyze information from multiple sensing technologies. By evaluating smoke particles, temperature changes, and infrared light patterns together, the detector provides comprehensive fire monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe integrated photoelectric sensor detects airborne particles associated with smoke, while the thermal sensing element monitors temperature and rate-of-rise conditions. The detector incorporates a fixed-temperature heat alarm threshold of 135°F (57°C), providing additional thermal detection capability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInfrared sensing technology evaluates environmental light patterns to help distinguish potential fire conditions from nuisance sources. This combination can improve resistance to false alarms caused by environmental conditions such as theatrical smoke, making the detector suitable for appropriately designed installations where nuisance particulates may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe SK-PTIR-W supports distinct smoke and heat alarm indications, allowing compatible fire alarm control panels to apply different response strategies. For example, appropriately configured systems may use localized alarm responses for smoke detection and broader evacuation procedures for thermal alarms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing intelligent analog communications, rotary address switches, and dual status LEDs with 360-degree visibility, the SK-PTIR-W provides dependable system integration and convenient maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts modern, low-profile white housing is designed for ceiling-mounted applications and offers an attractive appearance for contemporary building interiors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe SK-PTIR-W is identified as a replacement for the SK-ACCLIMATE detector and is listed to UL 268 7th Edition and UL 521 requirements according to the supplied product information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10 Key Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMulti-Criteria Fire Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines photoelectric, thermal, and infrared sensing technologies for comprehensive fire monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePhotoelectric Smoke Sensing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Detects airborne particles associated with smoke and combustion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThermal Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monitors heat and rate-of-rise conditions to identify developing fire events.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e135°F Fixed Heat Threshold:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Incorporates a fixed-temperature alarm threshold of approximately 57°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInfrared Sensing Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Analyzes environmental light patterns to support fire detection decisions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEnhanced Nuisance Alarm Immunity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses multi-sensor algorithms to help reduce unwanted alarms from non-fire environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSeparate Smoke and Heat Indications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports distinct alarm reporting for photoelectric and thermal detection events.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRotary Address Switches:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Simplifies device addressing during installation and system configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDual 360-Degree Visible LEDs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides status indication from multiple viewing angles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModern Low-Profile Housing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Features a white enclosure designed for professional ceiling-mounted fire alarm installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Silent Knight by Honeywell","offers":[{"title":"Default Title","offer_id":68458987356381,"sku":"kaybee-SK-PTIR-W","price":270.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/SK-PTIR-W-1.jpg?v=1793980764","url":"https:\/\/kaybeesecurity.com\/products\/silent-knight-sk-ptir-w-multi-criteria-detector-white","provider":"Kaybee Security","version":"1.0","type":"link"}