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ANSI/AHRI 280-2011: Requirements for the Qualification of Reverberation Rooms in the 63Hz Octave Band

Standard Scope
This standard applies to products rated in the 63 Hz Octave Band (50, 63 and 80 Hz One-Third Octave Bands) where the sound power is determined from measurements made in a reverberation room by using the comparison method as specified per ANSI Standard S12.51/ISO: 3741.

Free Download: ANSI/AHRI Standard 280-2011
© 2011, by Air-Conditioning, Heating, and Refrigeration Institute