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ISO 12569:2017

ISO 12569:2017

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Thermal performance of buildings and materials — Determination of specific airflow rate in buildings — Tracer gas dilution method

Published By Publication Date Number of Pages
ISO 2017-08 60
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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.

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ISO 12569:2017
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