Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen
Requirements on the functional safety of fixed gas detection systems;
German version EN 50402:2005 + A1:2008 Class/Status:
VDE Art. No.: 0400045
This European Standard is applicable to fixed gas detection systems for the detection and measurement of flammable or toxic gases or vapours or oxygen. This European Standard supplements the requirements of the European Standards for electrical apparatus for the detection and measurement of flammable gases, vapours (e.g. EN 61779 or EN 50241), toxic gases (e.g. EN 45544) or oxygen (e.g. EN 50104).
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