ISO 13347-4:2004

Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity method

Standard Details

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

Status : Published

Standard Type: Main

Document No: ISO 13347-4:2004

Document Year: 2004

Pages: 25

Edition: 1

Section Volume:
ISO/TC 117. Fans

ICS:
17.140.20 Noise emitted by machines and equipment
23.120 Ventilators. Fans. Air-conditioners

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ISO 13347-4:2004

ISO 13347-4:2004

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