CALL: A.WIHARTA 081294124885 085778084789 087784022201 The Extech EZ40 Combustible Gas Leak Detector detects the presence of combustible gas and nuisance vapors ( Natural Gas, Methane, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Steam, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Lacquer Thinner, Naphtha) in concentrations as low as 10% LEL for Methane and alerts the user with audible and visual alarms. The EXtech EZ40 has a 16 ( 406mm) flexible gooseneck that provides easy access in difficult to reach locations. 16 " ( 406mm) Gooseneck for Easy Access into Hard to Reach Location High Sensitivity One Hand Operation with Thumb Controlled Sensitivity Adjustment to Eliminate Background Gas Levels Visible and Audible Alarm at 10% ( LEL) Lower Explosive Limit for Methane Locate the Smallest Leaks Applications Natural Gas Methane Ethane Propane Butane