DS DS/EN 27574-3
DS DSEN 27574-3 1990-DEC-06 Acoustcs - Statstcal methods for determnng and verfyng stated nose emsson values of machnery and equpment - Part 3 Smple transton method for stated values for batches of machnes
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The standard is derived from DS/ISO 7574/4. It provides guidelines for determining the labelled value Lc, by the labeller and specifies a simple method for verifying compliance of the noise emissions of a batch (lot) of machinery or equipment with its labelled value, Lc.