BS EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - General requirements and test methods
General requirements for construction and testing, and test methods for personal, portable, transportable and fixed apparatus.
BS EN 45544-1:2000 history
2015BS EN 45544-1:2015 Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. General requirements and test methods
2000BS EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - General requirements and test methods