NEN EN IEC 60645-1:2001被替代
Electroacoustics - Audiological Equipment - Part 1: Pure-tone Audiometers
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN IEC 60645-1:2001
发布时间：2001/12/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：69
标准简介
Specifies general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels, in comparison with standard reference threshold levels by means of psycho-acoustic test methods.
标准备注
Supersedes NEN 10645-1. (11/2003)
替代本标准的新标准
