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.Partially replaced by BS EN ISO 5136:2003.
BS 848-2:1985
Original price was: $350.52.$175.00Current price is: $175.00.
Fans for general purposes-Methods of noise testing
BSI Group , 12/31/1985
Pages: 58
