Method, of engineering grade accuracy, of measuring sound pressure levels around a machine, of calculating band power levels and of determining the A-weighted sound power level.
Original price was: $190.50.$95.00Current price is: $95.00.
Test code for the measurement of airborne noise emitted by rotating electrical machinery-Engineering method for free-field conditions over a reflecting plane
BSI Group , 06/28/1991
Pages: 28
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