ISO 389:1991
Acoustics; standard reference zero for the calibration of pure-tone air conduction audiometers

Standard No.

ISO 389:1991

Release Date

1991

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Latest

ISO 389:1991

ISO 389:1991 history

• 1991 ISO 389:1991 Acoustics; standard reference zero for the calibration of pure-tone air conduction audiometers
• 1986 ISO 389:1975/Add 2:1986 Acoustics — Reference zero for the calibration of audiometric equipment — Addendum 2
• 1985 ISO 389:1985 Acoustics — Standard reference zero for the calibration of pure tone air conduction audiometers
• 1983 ISO 389:1975/Add 1:1983 Acoustics — Reference zero for the calibration of audiometric equipment — Addendum 1
• 1975 ISO 389:1975 Acoustics — Reference zero for the calibration of audiometric equipment