AENOR - UNE-EN ISO 389-2
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
active, Most Current
| Organization: | AENOR |
| Publication Date: | 4 February 1997 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
UNE-EN ISO 389-2
February 4, 1997
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
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