Extech LPG Gas Monitor is a microprocessor based electronic device which is used to check the leakage of the liquefied petroleum gas. It helps to reduce the risk of the accidents and bursting of cylinders to prevent any hazardous damage. This device is equipped with highly sensitive sensors which gives you the measure of the concentration of propane and butane in the air. Extech LPG Gas Monitor is highly sensitive and fast in action. It is a light weight hand held tool which is provided with a battery pack to give power to the device.