Gas analysers portable AVIS (hereinafter - gas analysers) are designed to measure the volume fraction, mass concentration and pre-explosion concentrations, as well as transfer information about the content of combustible gases and vapours of flammable liquids (including gases formed as a result of evaporation of flammable liquids such as oil, paraffin, gasoline, diesel fuel), toxic gases and oxygen in the air of the working zone, process gas media, industrial premises and open spaces of industrial facilities, pipelines and air ducts; and providing warning signalling of exceeding the established threshold values.
