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About This Item

 

Full Description

ISO 12569:2012 establishes an engineering standard by which to obtain the ventilation rate/specific airflow rate, using a tracer gas in a building space, which is considered to be of a single zone.

The measurement method is valid in 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 12569:2012 provides three measurement methods using a tracer gas: (1) concentration decay method, (2) continuous dose method, and (3) constant concentration method.

 

Document History

  1. ISO 12569:2017


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

    • Most Recent
  2. ISO 12569:2012

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

    • Historical Version
  3. ISO 12569:2000


    Thermal performance of buildings -- Determination of air change in buildings -- Tracer gas dilution method

    • Historical Version