DS EN ISO 389-1:2000被替代
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 1: Reference Equivalent Threshold Sound Pressure Levels For Pure Tones And Supra-Aural Earphones
出版：Danish Standards
专家解读视频
基本信息
标准编号： DS EN ISO 389-1:2000
发布时间：2000/6/9 0:00:00
标准类别：Standard
出版单位：Danish Standards
标准页数：20
标准简介
Describes a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, in order to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.
替代本标准的新标准
等同采用的国际标准
EN ISO 389-1:2018 - Identical
