Electroacoustics - Sound Calibrators
出版:National Standards Authority of Ireland
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基本信息
标准编号: I.S. EN IEC 60942:2018
发布时间:2018/3/27 0:00:00
标准类别:Standard
出版单位:National Standards Authority of Ireland
标准页数:124
标准简介
Defines the performance requirements for three classes of sound calibrator: class LS (Laboratory Standard), class 1 and class 2. Acceptance limits are smallest for class LS and greatest for class 2 instruments.
本标准替代的旧标准