AMCA Standard 301-90: Methods for Calculating Fan Sound Ratings from Laboratory Test Data
This standard establishes standard methods for calculating consistent fan sound ratings from laboratory test data.
The 1990 edition of AMCA Standard 301 replaces ANSI/AMCA Standard 301-06. The AMCA Air Movement Division voted to withdraw 301-06 in order to better reflect the general usage by fan manufacturers until a new version can be developed and approved.
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