BS 848-2.1(2004) : 2004现行
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 848-2.1(2004) : 2004
发布时间：2004/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：44
标准简介
Relates with the determination of the acoustic performance of industrial fans. Also used to determine the acoustic performance of fans combined with an ancillary device such as a roof cowl or damper or, where the fan is fitted with a silencer, the sound power resulting from the fan and silencer combination.
