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About This Item

 

Full Description

The purpose of this standard is to determine, by test, the sound power radiated into an anechoically terminated duct on the supply and/or return side of air-handling equipment.

 

Document History

  1. ASHRAE 68-1997

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    Standard 68-1997 -- Laboratory Method of Testing to Determine the Sound Power in a Duct (AMCA Standard 330-97)

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  2. ASHRAE 68-1986


    Standard 68-1986 -- Laboratory Method of Testing to Determine the Sound Power in a Duct

    • Historical Version