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BS 7458-1

1991 Edition, June 28, 1991

Complete Document

Test Code for the Measurement of Airborne Noise Emitted by Rotating Electrical Machinery Part 1: Engineering Method for Free-Field Conditions Over a Reflecting Plane

Includes all amendments and changes through Amendment 1, April 1, 1992


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Superseded By: BS EN ISO 1680

EN
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W/D S/S BY BS EN ISO 1680
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Description / Abstract:

Method, of engineering grade accuracy, of measuring sound pressure levels around a machine, of calculating band power levels and of determining the A-weighted sound power level.