Information About ANSI/ASHRAE 68-1997 Laboratory Method of Testing to Determine the Sound Power in a Duct
The purpose of ANSI/ASHRAE 68-1997 Laboratory Method of Testing to Determine the Sound Power in a Duct (AMCA Standard 330-97) 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.
Units: SI.
ANSI approved.
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