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ISO 9295:2015

Acoustics — Determination of high-frequency sound power levels emitted by machinery and equipment

Standard Details

ISO 9295:2015 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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 9295:2015
Document Year: 2015
Pages: 18
Edition: 2
  • ICS:
  • 17.140.20 Noise emitted by machines and equipment
  • 35.020 Information technology (IT) in general

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ISO 9295:2015
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