BS 2497-2:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 a reference zero for the calibration of pure-tone audiometers Data for certain earphones used in commercial practice
Hardcopy
English
10-03-1971
23-07-2013
Specifies value of sound pressure level corresponding to audiometric zero for monaural earphone listening to pure tones of certain stated frequencies.
| Committee |
EH/1
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 5330:1976 | Method of test for estimating the risk of hearing handicap due to noise exposure |
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