{"product_id":"siemens-oohc941","title":"Siemens OOHC941 CO Detector","description":"\u003cp\u003eSiemens OOHC941 multi-criteria fire and CO detector for intelligent addressable systems.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 (7th edition)\u003c\/li\u003e\n\u003cli\u003eUL 268A\u003c\/li\u003e\n\u003cli\u003eUL 521\u003c\/li\u003e\n\u003cli\u003eUL 2075\u003c\/li\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003cli\u003eNFPA 76\u003c\/li\u003e\n\u003cli\u003eFM Approved\u003c\/li\u003e\n\u003cli\u003eCSFM\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCombines optical\/thermal smoke, heat, and CO gas sensing in a single addressable device on one SLC address\u003c\/li\u003e\n\u003cli\u003eASAtechnology forward\/backward light-scattering algorithm reduces nuisance alarms from dust, steam, and cooking aerosols\u003c\/li\u003e\n\u003cli\u003eISOtechnology True Class-X SLC isolation supports up to 252 isolation-ready devices per loop\u003c\/li\u003e\n\u003cli\u003eField-programmable as VEWFD per NFPA 76 with 0.2%\/ft pre-alarm and 1.0%\/ft alarm thresholds\u003c\/li\u003e\n\u003cli\u003eFive selectable fixed-temperature settings and four rate-of-rise options for flexible heat detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe OOHC941 is a two-wire addressable multi-criteria detector within the Siemens Cerberus PRO and FireFinder XLS platforms. Its ASA-patented neural network algorithm processes optical and thermal signals simultaneously, distinguishing verified fire signatures from deceptive phenomena. The electrochemical CO sensor meets UL 2075 for life-safety gas detection, making the unit suitable for mixed occupancy applications where both fire and CO monitoring are required. Standby current is 0.75 mA; operating range is 32–120°F at 0–95% relative humidity.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52004326310181,"sku":"OOHC941","price":288.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/siemens-smoke-carbon-monoxide-detectors-default-title-siemens-oohc941-s54320-f8-a2-optical-and-heat-and-carbon-monoxide-detector-31896960631008.jpg?v=1771296725","url":"https:\/\/fastalarmdistribution.com\/products\/siemens-oohc941","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}