BS 2497-5:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard reference zero for the calibration of pure tone air conduction audiometers Specification for a standard reference zero using an acoustic coupler complying with BS 4668
Hardcopy , PDF
English
29-02-1988
31-01-1992
Reference equivalent threshold sound pressure levels for two earphones, Beyer DT 48 with flat cushion and Telephonics TDH 39 with MC 41/AR cushion, in a form suitable for calibration.
| Committee |
EH/1
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 389:1991 | Identical |
| ISO 389:1985 | Identical |
| BS 7113:1989 | Specification for reference levels for narrow-band masking noise |
| BS 6950:1988 | Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers |
| BS 6951:1988 | Specification for threshold of hearing by air conduction as a function of age and sex for otologically normal persons |
| IEC 60318:1970 | An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry |
| ISO 7566:1987 | Acoustics — Standard reference zero for the calibration of pure-tone bone conduction audiometers |
| ISO 6189:1983 | Acoustics — Pure tone air conduction threshold audiometry for hearing conservation purposes |
| ISO 7029:2017 | Acoustics — Statistical distribution of hearing thresholds related to age and gender |
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