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 4 Miscellaneous ventilation systems not

4 Miscellaneous ventilation systems not connected with containment envelopes

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13 TF 01 documents [1]

Professional competences of revisers

Designers of water heaters

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 4 Miscellaneous ventilation systems not1 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