NEN-EN-ISO 389-1
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 March 2000 |
| Status: | active |
| ICS Code (Noise with respect to human beings): | 13.140 |
scope:
Specifies a standard reference zero for the scale of hearing threshold level applicable to puretone air conduction audiometers, in order to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.
Document History
NEN-EN-ISO 389-1
March 1, 2000
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Specifies a standard reference zero for the scale of hearing threshold level applicable to puretone air conduction audiometers, in order to promote agreement and uniformity in the expression of...