smoke and carbon monoxide detector alarm

General Details

Main features: 

SR-821THS is Photoelectric smoke and CO detector

MCU processing

Low power consumption design,battery used for over 3 years

On-top battery compartment,easy battery replacement

Tamper resistant pins for battery

Low battery warning

Shockproof design,suitable for vehicle use

Auto check malfunction in smoke chamber

Test and hush button

Auto reset

Low battery warning

 

Technical specification:  

Model No.                            SR-821THS
Operating voltage

DC3V(2×1.5V AA alkaline batteries)

Static current

≤10uA

Alarm current

≤25mA

Alarm output

Sound &Flash alarm

Sensitivity

0.16dB/m(±0.05dB/m)/150PPM±50PPM

Sound level

85dB/3m

Installation

Wall or Ceiling mounted

Working environment

-10℃~+50℃(≤95%RH No congelation)

Dimension

110*45mm