Gas Alarm (BT-AT2004A)

Detect any gas leakage, such as liquefied gas(only for wall-mounting), natural gas, artificial coal gas.
1. Technical Specifications
Detecting gas: Liquefied gas, natural gas, artificial coal gas
Alarm concentration: Liquefied gas: 7%LEL± 3%LEL
Natural gas: 5%LEL± 3%LEL
Artificial coal gas: 500ppm± 125ppm.

Detection principle: Semiconductor
Alarm mode: Sound and light alarm
Working voltage: AC220V± 15%/ 50Hz(generally for civil use)
DC14V~35V(connection with Security System)
Power consumption: ≤ 3W
Respond time: ≤ 30S
Recovery time: ≤ 30S
Working environment: Temperature 0 ~ +55 degree.

Humidity 15%~90%RH (45 degree)
Pressure 86~106kPa
Weight: about 350g
Sensor life: Five years (Typical value)
Output: Provide one group or two groups of contact output, or no output.
According to actual condition to fit the corresponding gas to cut valve
And exhaust fan
Output power: DC24V/1A.