Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - General requirements and test methods Ingestion-build-133579 preparation for calibration

preparation for calibration

Part 2 of this European Standard describes

It helps them to execute the calculations and to conclude the final test report

Professional competences of revisers

4 Miscellaneous ventilation systems not connected with containment envelopes

Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - General requirements and test methods Ingestion-build-133579 preparation for calibration1 Scope This European Standard specifies general requirements and test methods for the determination of the performance characteristics of personal, portable, transportable and fixed, continuous duty electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours in workplace atmospheres. This European Standard is applicable to apparatus whose primary purpose is to provide an indication, alarm and or