Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
This standard was last reviewed* in 2013.
Document published on: 1998-10-29 Edition: 1 (Monolingual) ICS: 13.140 Status: Published Stage: 90.93 (2013-11-22) TC/SC: ISO/TC 43 Number of Pages: 8
Revised by: ISO/CD 389-1
Revises: ISO 389:1991
No corrigenda or amendments available