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About This Item
Full Description
ISO 12569:2017 establishes methods to obtain the ventilation rate or specific airflow rate in a building space (which is considered to be a single zone) using a tracer gas.
The measurement methods apply for spaces where the combined conditions concerning the uniformity of tracer gas concentration, measurement of the exhaust gas concentration, effective mixed zone and/or fluctuation of ventilation are satisfied.
ISO 12569:2017 provides three measurement methods using a tracer gas: concentration decay method, continuous dose method, and constant concentration method.
NOTE Specific measurement conditions are given in Table 1.
Document History
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ISO 12569:2017
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Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method- Most Recent
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ISO 12569:2012
Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method- Historical Version
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ISO 12569:2000
Thermal performance of buildings -- Determination of air change in buildings -- Tracer gas dilution method- Historical Version