EVS-EN 50104:2002/A1:2004

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• Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods

  Description:

  This European Standard specifies performance requirements and test methods for portable, transportable and fixed electrical apparatus for the measurement of the oxygen concentration in gas mixtures indicating up to 25% (v/v). This European Standard applies to apparatus intended for commercial and industrial safety applications, including integral sampling system of aspirated apparatus.

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