BS 848-2:1985
Withdrawn
Date published:
Fans for general purposes, Methods of noise testing
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.
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Related Information
17.140.20 Noise emitted by machines and equipment
23.120 Ventilators. Fans. Air-conditioners
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BS 848-2:1985
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