... alarm, 2.It can detector Combustible TGas-1031 Methane Gas Detector & Carbon Dioxide Detector TGas-1031 Series Combustible ... is extensively applied in petroleum, petrochemistry, chemical industry, gas, coal, metallurgy and electric power; safety detection in ... ParametersCharacteristics Detectable gasCombustible vapour of liquids, including methane, LPG, coal gas and gasoline, etc., as well as poisonous ...