1.1 This European Standard specifies general requirements for construction and testing and describes the test methods that apply t? -porrable, transportable and fixed apparatus for the detection and measurement of combustible gas or vapour concentrations with air. The ippiratus, or parts thereof, is intended for use in potentially explosive .itmospheres (see 2.1) and in mines susceptible to firedamp. This European 5taidard is supplemented by the following European Standards, concerning :he specific requirements for performance of the various types of
SIS SS-EN 50 054-1992 history
1992SIS SS-EN 50 054-1992 Electrical apparatus for the detection and measurement of combustible gases — General requirements and test methods