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Acoustics -- Measurement of airborne noise emitted by information technology and telecommunications equipment by ISO/TC 43/SC 1 Noise is a reference work available to read on EtoBox.

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ISO 7779:2010 specifies procedures for measuring and reporting the noise emission of information technology and telecommunications equipment. The basic emission quantity is the A-weighted sound power level which may be used for comparing equipment of the same type but from different manufacturers, or for comparing different equipment. Three basic noise emission standards for determination of the sound power levels are specified in ISO 7779:2010 in order to avoid undue restriction on existing facilities and experience. ISO 3741 specifies comparison measurements in a reverberation test room; ISO 3744 and ISO 3745 specify measurements in an essentially free field over a reflecting plane. Any one of these three basic noise emission standards can be selected and used exclusively in accordance with ISO 7779:2010 when determining sound power levels of a machine. The A-weighted sound power level is supplemented by the A-weighted emission sound pressure level determined at the operator position(s) or the bystander positions, based on basic noise emission standard ISO 11201. This sound pressure level is not a worker's immission rating level, but it can assist in identifying any potential pro

Who reads Acoustics -- Measurement of airborne noise emitted by information technology and telecommunications equipment?

Author

ISO/TC 43/SC 1 Noise

Publisher

ISO

Published

2010

Language

EN

Category

reference