ISO 13347-4:2004 Preview
Industrial fans -- Determination of fan sound power levels under standardized laboratory conditions -- Part 4: Sound intensity method
This standard was last reviewed and confirmed in 2013. Therefore this version remains current.
ISO 13347-4:2004 applies to industrial fans as defined in ISO 5801 and ISO 13349. It is limited to the determination of airborne sound emission for the specified set-ups. Vibration is not measured, nor is the sensitivity of airborne sound emission to vibration effects determined.
The sizes of the fan, which can be tested in accordance with ISO 13347-4:2004, are limited only by the practical aspects of the test installations.
ISO 13347-4:2004 determines sound power by using sound intensity measurements on a measurement surface which encloses the sound source. It provides guidelines on the acoustical environment, ambient noise, measurement surface, and number of measurements. The test set-ups are generally designed to represent the physical orientation of a fan installed in accordance with ISO 5801 and also used in ISO 13347-2.
General information
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Current status : PublishedPublication date : 2004-08
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Edition : 1Number of pages : 25
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- ICS :
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Ventilators. Fans. Air-conditioners
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Noise emitted by machines and equipment
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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now confirmed
ISO 13347-4:2004 -
Corrigenda/Amendments
ISO 13347-4:2004/Cor 1:2006