BS 4999-51:1973
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for general requirements for rotating electrical machines Noise levels
Hardcopy
07-23-2013
English
10-31-1973
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.
Committee |
PEL/2
|
DocumentType |
Standard
|
Pages |
0
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy |
BS 5724-1:1979 | Medical electrical equipment Specification for general safety requirements |
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