Easy to Identify and Pinpoint Gas Leaks ◆◆Portable and High Sensitivity ◆◆Resume Original Measurement State after 7~10 minutes in Clear Air ◆◆Gas Detected: Natural gas, Methane, Ethane, Propane, Butane, Acetone, Alcohol Ammonia,Steam, Carbon Monoxide, Gasoline, Jet Fuel, Hydrogen Solvents, Lacquer thinner, Naphtha MGL MASTECH MS6310 Portable Combustible Gas Freon Leak Detector Natural Gas Propane Gas Analyzer With Sound Light Alarm Multi-functions Environment Tester(MS6310)