The objective of this Standard is to provide general requirements and test methods for manufacturers, testing authorities and certifying bodies concerned with electrical equipment for the measurement of the concentration of oxygen and toxic levels of gases and vapours.
AS/NZS 4641:2018 history
2018AS/NZS 4641:2018 Electrical equipment for detection of oxygen and other gases and vapours at toxic levels — General requirements and test methods
2007AS/NZS 4641:2007 Electrical apparatus for detection of oxygen and other gases and vapours at toxic levels-General requirements and test methods (Incorporating Amendment 1: June 2008)