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  • BS 4999-51:1973

BS 4999-51:1973

Specification for general requirements for rotating electrical machines-Noise levels

BSI Group, 10/31/1973

Publisher: BS

File Format: PDF

$125.00$251.46


Published:31/10/1973

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies methods of measuring and classifying the acoustic noise emitted from rotating electrical machines under free field conditions. Methods for correcting for presence of pure tones. Upper limits of dB (A) sound power for machines rated up to 16 MW.

All current amendments available at time of purchase are included with the purchase of this document.

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