NEN EN IEC 60318-2-1998
NEN EN IEC 60318-2-1998 标准详情
- 标准号:NEN EN IEC 60318-2-1998
- 中文标题:
- 英文标题:Electro-acoustics - Simulators Of Human Head And Ear - Part 2: An Interim Acoustic Coupler For The Calibration Of Audiometric Earphones In The Extended High-frequency Range
- 标准类别:荷兰国家标准NEN
- 发布日期:
内容简介
States two different adapters and the removable conical ring to be used with the IEC 60318-1 ear simulator to provide an interim acoustic coupler for the calibration of certain audiometric earphones designed for use in the extended high-frequency ran
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