BS ISO 389-2 : 1994 AMD 9427被替代
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES
出版：British Standards Institution
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基本信息
标准编号： BS ISO 389-2 : 1994 AMD 9427
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Specifies reference equivalent threshold sound pressure levels (RETSPL) for the calibration of pure tone audiometers. Also gives detailed definitions, diagrams and annexes. AMD 9427 RENUMBERS THIS STANDARD
本标准替代的旧标准
替代本标准的新标准
等同采用的国际标准
ISO 389-2:1994(R2014) - Identical
