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Acoustics — Test code for the measurement of airborne noise emitted by rotating electrical machines
Noise emission characteristics include the sound power level and emission sound pressure level. The determination of these quantities is necessary: to compare the noise emitted by machines; to enable manufacturers to declare the noise emitted; for noise control purposes.
The use of ISO 1680:2013 as a noise test code ensures the reproducibility of the determination of the noise emission characteristics within specified limits determined by the grade of accuracy of the basic noise measurement method used. Noise measurement methods allowed by ISO 1680:2013 are precision methods (grade 1), engineering methods (grade 2) and survey methods (grade 3). Methods of engineering grade (grade 2) are preferred.
ISO 1680:2013 is applicable to rotating electrical machines of any length, width or height.
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