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Ningbo Hi-Tech Park Peasway Electronic Technology Co., Ltd.
 
 
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optical smoke detector for home use 

  产品分类 : 電子電工->太陽能

     
optical smoke detector for home use
 
         

  产品规格
 
Model No:    PW-507
  Country  CN
  Brand  peasway
  Materials  ABS
  Size  D104*35  millimeters  
  Weight  118g
  Color  white
  Packing  gift box, carton
  Minimum Order  1000
  Payment Term  30% depoosit, 70% before shipment

 

  产品描述
   
  Smoke detector
1.9V Battery smoke detector;
2.High alarm 85dB(3m) smoke detector;
3.Test button;
4.Low battery warning;
PW-507 Stand-alone photoelectric smoke detector is under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).
Works on principle that infrared scatters on smoke surface
Probes smoke which is generated by incomplete combustion at initial stage of fire
Smoke detector consists of photoelectric system, signal processing identification and alarm circuit
Infrared scatters on surface of smoke when smoke enters darkroom of detector
Photoelectric diode receives scattered light and generates photoelectric signal current
Photoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achieved

  其他类似产品
 
household gas detector EN50194

household gas detector EN50194
 
   


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