BS 7458-1:1991
$102.76
Test code for the measurement of airborne noise emitted by rotating electrical machinery – Engineering method for free-field conditions over a reflecting plane
| Published By | Publication Date | Number of Pages |
| BSI | 1991 | 28 |
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.
