... principle, Wheatstone bridge structure for combustible gas sensor LPG combustible gas sensor MC113 operate on the catalytic ... in industrial field such as natural gas, LPG, coal gas, alkane ect combustible gas, and gasoline, Alcohol, ketone, ... benzene ect organic solvent;Combustible gas leaking alarm or detectors;Gas concentration meter. Specification TypeMC113 / MC113CSeriesCatalyticStandard ...