Brand: Yongan
Model: YA-100-8
Price: CNY 56 / pcs
Min. Order: 10 pcs
Features:
* Excellent reliability & high stability.
* Durable sensor head.
* Self test function
* Visual and audible alarm function
* Low voltage warning
* Sensor-fault detection
* Can be connected with valve
* Hush function in alarm status
* Less affected by other organic solvent.
* Loud sound signal of 85 dB at alarm mode.
* Three-year limited warranty.
* Low power consumption
* Test button to test the units electronics and verifies
proper unit operation.
* Easy installation with a plastic bracket.
* Widely use for home, coal station, colliery, car and so
on.
* Detect all sorts of combustible gases, such as coal gas,
liquid petroleum gas and natural gas

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: ＜0.6 W
* Alarm consume: ＜2W
* Alarm volume: ≥85dB within 1 meter
* Operation Ambient Condition: 4~38℃, 25~85%R.H.
* Alarm density:Coal gas: 1000~5000ppm,
Liquid petroleum gas: 1000~5000ppm,
Natural gas: 1000ppm~5000ppm