heat detector smoke alarm detector

Specifications 1.9V Battery smoke detector

2.High alarm 85dB(3m)

3.Test button with LED

4.Low battery warning

Optical smoke detector features and sepcifications: · Features:  o Works on principle that infrared scatters on smoke surface o Probes smoke which is generated by incomplete combustion at initial stage of fire o Smoke detector consists of photoelectric system, signal processing identification and alarm circuit o Infrared scatters on surface of smoke when smoke enters darkroom of detector o Photoelectric diode receives scattered light and generates photoelectric signal current o Photoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achieved · Specifications:  

Material:	ABS plastic
Power supply:	9V DC Block battery/PP3
Quiescent current:	8μA
Alarm current:	16mA
Operating temperature:	-10°C ~ +50°C
Humidity:	0 to 95%(40±2°C),no condensing or icing
Alarm decibel:	Louder than 85dB at 10feet(3 meters)
Test button:	To verify the proper functioning of smoke alarm
Low voltage warning:	Smoke alarm beeps every 40 seconds for 30 days (minimum) to indicate a need   of battery replacement
Smoke sensitivity:	0.086 dB/m to 0.140 dB/m

    Certificate: Factory View