... II CT5 TGas-1031 h2s detector & so2 gas detector & nature gas leak detector TGas-1031 Series Combustible, Toxic and ... 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 and ...