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About This Item
Full Description
This European Standard is applicable to apparatus whose primary purpose is to provide an indication, alarm and/or other output function to give a warning of the presence of a toxic gas or vapour in the atmosphere and in some cases to initiate automatic or manual protective actions. It is applicable to apparatus in which the sensor automatically generates an electrical signal when gas is present.
This European Standard is not applicable, but may provide useful information, for apparatus
- used for the measurement of oxygen,
- used only in laboratories for analysis or measurement,
- used only for process measurement purposes,
- used in car parks or tunnels (fixed apparatus only),
- used in the domestic environment,
- used in environmental air pollution monitoring,
- used for the measurement of combustible gases and vapours related to the risk of explosion.
For apparatus used for sensing the presence of multiple gases, this European Standard applies only to the detection of toxic gas or vapour.
Cross References:
EN 482:2012+A1:2015
EN 45544-1:2015
EN 45544-2:2015
EN 45544-3:2015
EN 60079-29-2
IEC 60079-29-2
EN 689
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN 45544-4:2016
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Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours-Guide for selection, installation, use and maintenance- Most Recent
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BS EN 45544-4:2000
Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours-Guide for selection, installation, use and maintenance- Historical Version