EN-ISO-389-1 › Historical Revision Information
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

EN-ISO-389-1 - 2018 EDITION - CURRENT -- See the following: BS-EN-ISO-389-1 DIN-EN-ISO-389-1
Show Complete Document History


Part 1: Reference Equivalent Threshold Sound Pressure Levelsfor Pure Tones & Supra-Aur


ORDER



Document Number

EN-ISO-389-1

Revision Level

2018 EDITION

Status

Current

Publication Date

Feb. 14, 2018