Gas&Carbon Monoxide Detector / combined gas & co alarm / combination detector

Specifications

Excellent reliability & high stability.
Self test function
Visual and audible alarm function
Low voltage warning
Sensor-

Features:
 Excellent reliability & high stability.
 Self test function
 Visual and audible alarm function
 Low voltage warning
 Sensor-fault detection
 Can be connected with valve
 Hush function in alarm statu Less affected by other organic solvent.
 Three-year limited warranty. 
 Low power consumption
 Easy installation with a plastic bracket.

Specification: 
Power supply: AC220V/50~60Hz& 9v backup battery 
Sensor: Electrochemistry Co and semi-conductor Gas Sensor
Static current: ≤40MA
Alarm current: ≤80MA
Static consume: Alarm consume: <2W
Alarm volume: ≥85dB within 1 meter
Operation Ambient Condition: 4~38, 25~85%R.H.
Alarm density:
Carbon monoxide:50PPM: 60-90 minutes
100PPM: 10-40 minutes
300PPM: less than 3 minutes
400PPM: Immediately
Coal gas: 1000~5000ppm,
Liquid petroleum gas: 1000~5000ppm,
Natural gas: 1000ppm~5000ppm