EN ISO 389-3:1998
Withdrawn
Withdrawn
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)
Published date
12-16-1998
Publisher
Withdrawn date
06-30-1999
Sorry this product is not available in your region.
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
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN ISO 389-3:1999 | Identical |
| BS EN ISO 389-3:1999 | Identical |
Summarise
Sorry this product is not available in your region.