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EN ISO 3746:2009 Standard

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  Keywords:

#test #equipment #level #source #international

This standard is superseded by:
  •   EN ISO 3746:2010
  •   This standard is no longer addressed in the last official Journal publication of the "2025-08-13 ". This standard is addressed for the last time in the official journal publication of the "2011-04-08"

      Directive

    Machinery (MD) Directive (2006/42/EC)

      Last Official Journal reference

    Friday 8th of April 2011

      Description:

    Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995, including Cor 1:1995)

      Purpose

    This International Standard specifies a method for measuring the sound pressure levels on a measure- ment surface enveloping the source in order to cal- culate the sound power level produced by the noise source. It gives requirements for the test environment and instrumentation as well as techniques for obtain- ing the surface sound pressure level from which the sound power level of the source is calculated, leading to results which have a grade 3 accuracy. It is important that specific noise test codes for vari- ous types of equipment be established and used in accordance with this International Standard. For each type of equipment, such noise test codes will give detailed requirements on mounting, loading and op- erating conditions for the equipment under test as well as a selection of the measurement surface and the microphone array as specified in this International Standard.

      Publication

    Tuesday 29th of December 2009

      Cessation

    This standard has been withdrawn on 2011-06-30

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