This document establishes standard methods for calculating consistent fan sound ratings from laboratory test data. It applies to fans, blowers, exhausters or other air moving devices.
ANSI/AMCA 301-1990 history
2006ANSI/AMCA 301-2006 Methods for Calculating Fan Sound Ratings from Laboratory Test Data
1990ANSI/AMCA 301-1990 Methods for Calculating Fan Sound Ratings from Laboratory Test Data
1965ANSI/AMCA 301-1965 METHOD OF PUBLISHING SOUND RATINGS FOR AIR MOVING DEVICES