BS 7458-1:1991被替代
Test code for the measurement of airborne noise emitted by rotating electrical machinery. Engineering method for free-field conditions over a reflecting plane
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 7458-1:1991
发布时间：1991/6/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：28
标准简介
Method, of engineering grade accuracy, of measuring sound pressure levels around a machine, of calculating band power levels and of determining the A-weighted sound power level.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 6980 published 01 April 1992
替代本标准的新标准
等同采用的国际标准
ISO 1680-1:1986 - Identical
