EXpert K" flammable gas detectors are designed for use in stationary systems for the detection of high (explosive) concentrations of gases and vapours of liquids , outside explosive atmospheres. They are used to detect a variety of gases and explosive vapours, e.g.: methane, LPG, hexane, pentane, ammonia, petrol and oil vapours, styrene vapours, xylene, toluene, ethyl acetate, alcohol vapours.