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Full Description

This Nationally Adopted International Standard specifies in detail a laboratory method for determining and reporting the airborne noise emissions of small air-moving devices used primarily for cooling electronic equipment, such as computer and business equipment. To provide compatibility with measurements of noise emitted by such equipment, this Nationally Adopted International Standard uses the noise emission descriptors and sound power measurement methods of ANSI S12.10- 2002/ISO 7779:1999. The descriptor of overall noise emission of the air-moving device under test is the A-weighted sound power level. The one-third-octave-band sound power level is the detailed descriptor of the noise emission. Octave band sound power levels may be provided in addition to the one-third-octave-band sound power levels. ANSI S12.11-2003 Part 2 describes measurement of structure-borne noise generated by air-moving devices.
 

Document History

  1. ASA S12.11-2013/Part 1/ISO 10302:1-2011 (R2023)


    American National Standard for Acoustics - Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices - Part 1: Airborne noise measurement (a nationally adopted international standard).

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  2. ASA S12.11-2003/Part 1ISO 10302:1996 (R2008)

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    Acoustics - Measurement Of Noise And Vibration Of Small Air-Moving Devices, Part 1: Airborne Noise Emission

    • Historical Version
  3. ASA S12.11-1987 (R1997)


    American National Standard Methods for the Measurement of Noise Emitted by Small Air-Moving Devices

    • Historical Version