WebThe 4WT-B is a 4-wire, photoelectric i3 smoke detector with a 135°F fixed thermal sensor. System Sensor i3 ™ series smoke detectors represent significant advancement in conventional detection. The i3 family is founded on three principles: installation ease, intelligence, and instant inspection. WebSystem Sensor 2WTA-B I3 Series 4-Wire Conventional Photoelectric and 135°F Fixed Temperature Thermal Detector with Built-in Sounder, 85 dB Sounder, Form C Relay, Isolated Thermal Sensor 4.3 (21) $5899$62.57 FREE delivery Apr 14 - 19 Or fastest delivery Mon, Apr 10 Only 16 left in stock - order soon. More Buying Choices $49.99 (12 new offers)
System Sensor 4-Wire Photoelectric Sensor Smoke Detector
WebSystem Sensor. Founded in 1984, System Sensor is a global manufacturer of fire and life safety devices, specializing in smoke detection, carbon monoxide detection, and … WebMar 10, 2008 · System Sensor 4WT-B 4-wire, photoelectric i3 smoke detector with a 135 Degree fixed thermal sensor Brand: System Sensor 98 ratings 18 answered questions $7193 See more About this item Smoke Alarm Country of manufacture: United States Specifications for this item See more Frequently bought together + + Total price: thermometer for lake water temperature
Four Wire Type Smoke Detectors - AlarmSystemStore.com
WebAPPLICATIONS GUIDE: SYSTEM SMOKE DETECTORS 4 Ionization Smoke Detector Operation A typical ionization chamber consists of two electrically charged plates and a radioactive source (typically Americium 241) for ionizing the air between the plates. (See Figure 1.) The radioactive source emits particles that col- WebApr 12, 2024 · Find many great new & used options and get the best deals for System Sensor 4-Wire Duct Smoke Detector PN: D4120 at the best online prices at eBay! Free … WebSystem Sensor COSMO4W 4-Wire CO/Smoke Detector. Also known as: BK-COSMO4W. The best-in-class System Sensor COSMO-4W i4 Series combination CO/Smoke Detector is a 4 … thermometer for ice bath