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About This Item

 

Full Description

ANSI/ASHRAE Standard 41.8 prescribes methods for liquid flow measurement and applies to laboratory and field liquid flow measurement for testing heating, ventilating, air-conditioning, and refrigerating systems and components.

The 2023 edition of Standard 41.8 includes updated methods for determining when steady-state operation has been achieved for data recording, changes to make it easier for higher-tier standards to adopt this standard by reference, and a new uncertainty example prepared in accordance with the latest uncertainty procedures.

Standard 41.8 meets ASHRAE's mandatory language requirements.

 

Document History

  1. ASHRAE 41.8-2023

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    Standard 41.8-2023 -- Standard Methods for Liquid Flow Measurement (ANSI Approved)

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  2. ASHRAE 41.8-2016 (RA 2019)


    Standard 41.8-2016 (RA 2019) -- Standard Methods for Liquid Flow Measurement (ANSI Approved)

    • Historical Version
  3. ASHRAE 41.8-2016


    Standard 41.8-2016 -- Standard Methods for Liquid Flow Measurement (ANSI Approved)

    • Historical Version
  4. ASHRAE 41.8-1989


    Standard 41.8-1989 -- Standard Methods of Measurement of Flow of Liquids in Pipes Using Orifice Flowmeters

    • Historical Version