Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours; German version EN 1839:2017— 46 стр.
Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres; German version EN 13237:2012— 28 стр.
Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours; German version EN 1839:2017— 46 стр.