BS EN 50543:2011 PDF

1   Scope This European Standard specifies requirements for the construction, testing and performance of electronic portable and transportable apparatus for the detection and measurement of carbon dioxide (CO 2 ) and/or carbon monoxide (CO) in indoor ambient air , which includes air entering mechanical ventilation systems in domestic residential, commercial and industrial premises and public buildings. This European Standard includes indoor air quality apparatus with CO and CO 2 measuring capabilities. This European Standard excludes:

• apparatus used in workplace atmospheres for the direct detection and direct concentration measurement of toxic gases and vapours (i.e. conforming to EN 45544 series);

• electronic portable combustion gas analysers (i.e. conforming to EN 50379 series);

• apparatus for the detection of carbon monoxide in domestic premises (i.e. conforming to EN 50291 series).

NOTE 1 Examples of applications are monitoring indoor air quality, measuring CO and/or CO 2 concentrations in commercial laundry and kitchen environments, assessing the safe operation of appliances installed in compartments.