2 (JB-QT-TON90ATC)
Theory: catalytic
Detected gas:natural gas,liquefied petroleum gas,
coal gas,alkyl,ethanol,ketone,benzene
gasoline and â…¡C Grade,T6class combustive
Gases

Range: 0~100%LEL
Accuracy: ±3%FS
Operation mode:Operated by intrinsically infrered controller
Explosion-proof mode:Flameproof
Explosion-proof thread:G3/4npipe thread
Working voltage:DC24v ±12v
Working current:not more than 120mA
Signal output:standard 4~20mA output,2 alarm levels
Relay output,(contact capacity DC24V/1A)
Working Temperature: -40。.C~+70。.C