I.S. EN 21680-1:1992廢止
Acoustics - Test Code For The Measurement Of Airborne Noise Emitted By Rotating Electrical Machinery - Engineering Methods For Free-field Conditions Over A Reflecting Plane
出版：National Standards Authority of Ireland
專家解讀視頻
基本信息
標準編號： I.S. EN 21680-1:1992
標準類別：Standard
出版單位：National Standards Authority of Ireland
標準頁數：26
標準簡介
Covers scope and field of application, definitions, appropriate acoustic environment, instrumentation, installation and operation of the machine undergoing test, the sound pressure levels on the measurement surface, the calculation of surface sound pressure level and sound power level and the information to be recorded and reported.
等同采用的國際標準
ISO 1680-1:1986 - Identical
