NEN EN IEC 61672-2 : 2014 AMD 1 2017現行
ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS
出版：Netherlands Standards
專家解讀視頻
基本信息
標準編號： NEN EN IEC 61672-2 : 2014 AMD 1 2017
標準類別：Standard
出版單位：Netherlands Standards
標準頁數：0
標準簡介
Gives details of the tests necessary to verify conformance to all mandatory specifications given in IEC 61672-1 for time-weighting sound level meters, integrating-averaging sound level meters, and integrating sound level meters.
