photoelectric smoke detector

详情

Photoelectric Smoke Detector 1) Alarm Dimensions:4.1&#***3;dia., 1.9&#***3;ht. 2) Working Current : a)Static Current:&#***4;*0µA b)Alarm Current: &#***4;*2mA 3) Operating Voltage: DC9V 4) Audio Alarm : *5 Db at *0 feet. 5) Temp Range :*4&#***7;( **0&#***1;) to**7&#***7;( *0&#***1;) 6) Humidity Range: &#***4;*5%RH&#****8;*0±2&#***1;&#****9; 7) Battery : 9V battery back-up for at least 1 year. 8) Protection area : 6 m high , *0 &#****7;. 9) Latching alarm indicator remembers which unit initiated an alarm. *0) Smart sense system helps reduce unwanted alarms. *1) Single test/Silence. *2) Perfect mount system : Gasketless base allows for easy installation & positioning. *3) Dust cover keeps alarm clean during construction. *4) Test : electronically simulates smoke condition ,causing the unit to alarm. *5) Alarm reset: automatic when smoke clears . Press test/silence to silence alarm manually. *6) Sensor: Photoelectric technology is more sensitive at detecting large particles which tend to be produced by smolding fires before bursting into flames.