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IEEE Test Procedure for Airborne Sound Measurements on Rotating Electric Machinery
Revision Standard - Inactive-Withdrawn.
Approved methods for conducting tests and reporting results to effect the uniform determination of rotating-electric-machine sound under steady-state conditions with an accuracy of ± 3 dB are defined.
Three acoustical environments are considered: free field, reverberant field, and semi reverberant field.
Installation and operation of the machine is discussed.
The test procedure assumes the presence of pure tones or the predominance of discrete frequencies in the sound spectrum.
This test procedure defines approved methods for conducting tests and reporting results to effect the uniform determination of rotating electric machine sound under steady-state conditions with an accuracy of + 3 dB tested in these acoustical environments:
This procedure assumes the presence of pure tones or the predominance of discrete frequencies in the sound spectrum.
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