ISO 389-3:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Acoustics Reference zero for the calibration of audiometric equipment Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
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03-14-2019
09-22-1994
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Specifies the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: reference equivalent threshold force levels (RETFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| AS/NZS 1591.1:1995 | Identical |
| AS ISO 389.3-2007 | Identical |
| PNE-prEN ISO 389-3 | Identical |
| UNE-EN ISO 389-3:1999 | Identical |
| BS EN ISO 389-3:1999 | Identical |
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