static state : consumption <1.3W, alarm <1.7W
alarm density: LPG0.1%-0.5%, natural gas 0.1%-1%, city coal gas 0.1%-0.5%
work environment : temperature-10℃- +50℃, humidity <90%RH
voltage: 12VDC

alarm volume : >70dB(1.5meters)
Reaction gas: coal gas, natural gas, liquid petroleum gas
Power supply:12VDC
Buzzer volume ≥7 0dB/m
Alarm density: 15%LEL
Resume density: 8%LEL
   Working environment: :-10℃~+45℃ , relative humidity≤90%RH
   Stability: The alarm density error of long-term working ≤ ±5%LEL
   Repeatability: The alarm density error of repeat testing
 ≤ ±5%LEL
The alarm density error  ≤ ±5%LEL
Alarm way: Photic and phonic alarm, networking signal output
 Consumption: <1.7W
 Size: F107×38mm; weight: 138g