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AHRI 575-2017
Method of Measuring Machinery Sound Within an Equipment Space
This document establishes a uniform method of measuring and recording the sound levels produced by air-conditioning and refrigerating machinery installed in mechanical equipment spaces. This standard applies to water chilling systems, pumps and similar operating machines and parts thereof, which for reasons of size or operating characteristics are more practically evaluated in situ. Furthermore, this standard provides an indication of occupational exposure.
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Air-Conditioning and Refrigeration Institute [ari]
