AENOR UNE-EN ISO 389-1 E
Acoustics. Reference zero for the calibration of audiometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones. (ISO 389-1:1998)
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| Organization: | AENOR |
| Publication Date: | 30 April 2001 |
| Status: | active |
| Page Count: | 17 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
March 6, 2019
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)
A description is not available for this item.
AENOR UNE-EN ISO 389-1 E
April 30, 2001
Acoustics. Reference zero for the calibration of audiometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones. (ISO 389-1:1998)
A description is not available for this item.