标准号:DIN EN 60645-4-1995
中文标准名称:听力计.第4部分:高频声学设备
英文标准名称:Audiometers - Part 4: Equipment for extended high-frequency audiometry (IEC 60645-4:1994); German version EN 60645-4:1995
标准类型:N65
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:N65
国际标准分类号:13.140
适用范围:The document describes equipment which is designed for the measurement of hearing of frequencies higher than the conventional range used in pure tone audiometry. It specifies requirements for audiometric equipment designed for use in pure ton audiometry in the frequency range from 8000 Hz to 16000 Hz.