This noise test code specifies methods for measurement, determination and declaration of the noise emission from compressors and vacuum pumps: a) measurement of the sound pressure level at the indicated position of the operator; b) derivation of the noise emission expressed as the sound power level of the machine under specified load conditions. This noise test code applies to stationary and portable compressors as specified in EN 1012-1, "Compressors - Safety" and vacuum pumps as specified in EN 1012-2 "Vacuum Pumps - Safety".
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