BS 848-2.1:2004现行
Industrial Fans - Determination Of Fan Sound Power Levels Under Standardized Laboratory Conditions - Part 1: General Overview
出版：British Standards Institution
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基本信息
标准编号： BS 848-2.1:2004
发布时间：2004/8/25 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：34
标准简介
Relates with the determination of the acoustic performanceof industrial fans. Also used to determine the acousticperformance of fans combined with an ancillary device suchas a roof cowl or damper or, where the fan is fitted witha silencer, the sound power resulting from the fan andsilencer combination.
标准备注
© British Standards Institution 2013
Also numbered as BS ISO 13347-1
Together with BS ISO 13347-2, BS ISO 13347-3 and BS ISO 13347-4,
BS 848-2.2(2004), BS 848-2.3(2004) & BS 848-2.4(2004),
it supersedes BS 848-2(1985)
(08/2004)
Supersedes 02/705653 DC
(09/2004)
