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About This Item

 

Full Description

ASHRAE Standard 41.2 provides recommended practices for airflow measurements as well as measurement procedures for use in preparation of other ASHRAE standards.

The 2022 edition of Standard 41.2 includes an update of the steady-state criteria for recording data, an addition that permits the optional use of legacy multiple-nozzle chambers that were specified in the original 1987 version of this standard (reaffirmed in 1992), and changes to make it easier for higher-tier ASHRAE standards to adopt this standard by reference.

Standard 41.2 meets ASHRAE’s mandatory language requirements.

 

Document History

  1. ASHRAE 41.2-2022

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    Standard 41.2-2022 -- Standard Methods for Air Velocity and Airflow Measurements (ANSI Approved)

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  2. ASHRAE 41.2-2018


    Standard 41.2-2018 -- Standard Methods for Air Velocity and Airflow Measurement (ANSI Approved)

    • Historical Version
  3. ASHRAE 41.2-1987 (RA 92)


    Standard 41.2-1987 (RA 92) -- Standard Methods for Laboratory Airflow Measurement

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ASHRAE 41.2-2022 Errata (5-1-2023)

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    Errata to Standard 41.2-2022 -- Standard Methods for Air Velocity and Airflow Measurements (ANSI Approved)