Test aerosol «TDIP» used for quick and safe monitoring of the functioning of smoke fire detectors: point, linear, aspiration, electrical induction: automatic, installed both at industrial facilities and in public institutions, as well as in residential premises. When using the test aerosol TDIP, smoke detectors are not contaminated because the entire aerosol evaporates completely, leaving no residue. Certified according to: GOST 34698-2020, GOST R 596,5 2021, GOST R 53325-2012 Safe for electronics. Non-flammable and non-toxic. Not aggressive to plastic. Does not contain petroleum products and silicones. Composition – non-flammable and non-toxic gas: 1.1,1.2-tetrafluoroethane (F3CCH2F), functional additives, that imitate smoke. In accordance with state standard (GOST R 59638-2021) monitoring the functioning of fire smoke detectors must be carried out only using a test aerosol and AT LEAST ONCE A YEAR. Available in volumes: 140, 210, 345 and 405 ml.