CEI EN 60942 : 2004现行
ELECTROACOUSTICS SOUND CALIBRATORS
出版：Comitato Elettrotecnico Italiano
专家解读视频
基本信息
标准编号： CEI EN 60942 : 2004
发布时间：2004/1/1 0:00:00
标准类别：Standard
出版单位：Comitato Elettrotecnico Italiano
标准页数：128
标准简介
Describes the performance requirements for three classes of sound calibrator: laboratory standard (class LS), class 1 and class 2. Tolerance limits are smallest for class LS and greatest for class 2 instruments.
替代本标准的新标准
