Acoustics. Test code for the measurement of airborne noise emitted by rotating electrical machines Ingestion-build-183511 What is BS EN 1447-

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Acoustics. Test code for the measurement of airborne noise emitted by rotating electrical machines Ingestion-build-183511 What is BS EN 1447-1 Scope This International Standard specifies all the information necessary to carry out efficiently and under standardized conditions the determination, declaration, and verification of the noise emission characteristics of rotating electrical machines. It specifies noise measurement methods that can be used, and specifies the operating and mounting conditions required for the test. Noise emission characteristics include the sound power level and