... bridge output in liner Fast response Catalytic Combustible Gas Sensor MC108 operate on the catalytic combustion principle, and its two arms ... resistance of the test element rised when meeting the combustible gas, in the same time, the output voltage of ... as natural gas, LPG, coal gas, alkane ect combustible gas, and gasoline, Alcohol, ketone, benzene ect organic solvent;Combustible gas leaking alarm ...