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EN ISO 11957:2009 Standard

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  Keywords:

#acoustics #iso #measurements #situ #laboratory

  Directive

Machinery Regulation ((EU) 2023/1230)

  Last Official Journal reference

Thursday 12th of March 2026

  Description:

Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements (ISO 11957:1996)

  Purpose

This  International  Standard  specifies  a  laboratory method  (clause  6)  and  in  situ  methods  (clause  7)  for the  determination  of  the  sound  insulation  performance of  sound-protecting  cabins.  The  sound  insulation  per- formance  is  the  reduction  in  sound  pressure  level  or sound  power  level  afforded  by  the  cabin.  The  methods are  applicable  to  cabins  with  a  small  leak  ratio (e  s  2 %).

  Publication

Tuesday 29th of December 2009

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