DIN IEC 60651 (1981-12)被替代
Sound Level Meters
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN IEC 60651 (1981-12)
发布时间：1981/12/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
Deals with sound level meters of four degrees of precision designated Types 0, 1, 2 and 3. Specifies the following characteristics: directional characteristics, frequency-weighting characteristics, time-weighting, detector and indicator characteristics, sensitivity to various environments. Establishes electrical and acoustical tests to verify compliance with characteristics specified and describes the method for absolute sensitivity calibration.
替代本标准的新标准
