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ISO 9295

Acoustics - Determination of highfrequency sound power levels emitted by machinery and equipment

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Organization: ISO
Publication Date: 15 May 2015
Status: active
Page Count: 26
ICS Code (Information technology (IT) in general): 35.020
ICS Code (Noise emitted by machines and equipment): 17.140.20
scope:

This International Standard specifies four methods for the determination of the sound power levels of high-frequency noise emitted by machinery and equipment in the frequency range covered by the octave band centred at 16 kHz, which includes frequencies between 11,2 kHz and 22,4 kHz. They are complementary to the methods described in ISO 3741 and ISO 3744. The first three methods are based on the reverberation test room technique. The fourth method makes use of a free field over a reflecting plane.

The test conditions which prescribe the installation and operation of the equipment are those specified in ISO 3741 or ISO 3744 as applicable.

Document History

ISO 9295
May 15, 2015
Acoustics - Determination of highfrequency sound power levels emitted by machinery and equipment
This International Standard specifies four methods for the determination of the sound power levels of high-frequency noise emitted by machinery and equipment in the frequency range covered by the...
November 15, 1988
Acoustics - Measurement of High-Frequency Noise Emitted by Computer and Business Equipment
A description is not available for this item.

References

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