BS 848-2:1985被替代
Fans for general purposes. Methods of noise testing
出版：British Standards Institution
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基本信息
標準編號： BS 848-2:1985
發布時間：1985/12/31 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：58
標準簡介
Determination of the acoustic performance of fans operating against difference of pressure. Four methods are described: in-duct, reverberant field, free field and semi-reverberant. Illustrations are given of suitable test ducting and anechoic terminations.
標準備注
? British Standards Institution 2013
Replaced by notes:
Replaced by BS EN ISO 5136 and Parts 1 to 4 of BS ISO 13347.
Amendment notes:
AMD 9374 published 15 March 1997
替代本標準的新標準
等同采用的國際標準
ISO 5136:2003 - Similar
