10 Year Smoke Alarm with VDS

Technical Parameter:

3V CR123A battery operated                                                 

Flash alarm indicator (red)                                                                             

85 db  alarm singal  within 3 m                                                                                                

Solid connections and battery included                                  

Low battery signal                                                    

Test button                                                                                                          

Size: (diameter) 101×34mm 

The smoke alarm works on the principle that infrared scatters in the smoke to probe the smoke which is generated by the incomplete combustion at the initial stage of the fire. It consists of photoelectric system, signal processing identification circuit and alarm circuit. The infrared scatters on the surface of the smoke when the smoke enters the darkroom of the detector, then the photoelectric diode receives the scattered light and generates the photoelectric signal current. The photoelectric signal generates the alarm signal after being processed by the identification circuit, accordingly the purpose of alarming is achieved.

 

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