BS 848-2.1:2004現行
Industrial Fans - Determination Of Fan Sound Power Levels Under Standardized Laboratory Conditions - Part 1: General Overview
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 848-2.1:2004
發布時間：2004/8/25 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：34
標準簡介
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.
標準備注
? 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)
