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  • Abstract:
    The document specifies a direct method and a comparison method with a grade 1 accuracy using a reverberation test room for determining the sound power level and sound energy level produced by a source. It specifies test room requirements, source location and general rules for operating conditions, instrumentation and techniques for measuring sound pressure levels from which the sound power level of the source in one-third-octave-bands is calculated.
  • Document number:
    DIN EN ISO 3741
  • Issuing date:
    2011-01-01
  • Document type:
    Norm
  • Title:
    Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010); German version EN ISO 3741:2010
  • Replaces:
    DIN EN ISO 3741(2009-11); DIN EN ISO 3741(2006-06)
  • Author:
    Acoustics, Noise Control and Vibration Engineering Standards Committee in DIN and VDI
  • Search term:
    Absorption; Acoustic measurement; Acoustic testing; Acoustics; Airborne noise emitted; Audio systems; Calibration; CE marking; Concentration; Definitions; Determination; Ear protectors; Environment; Ergonomics; Filters; Frequencies; Handling; Hearing ability tests; Humidity; Indications; Information; Loudness levels; Loudspeakers; Low frequencies; Machines; Mathematical calculations; Measurement; Measuring environment; Measuring instruments; Measuring rooms; Measuring techniques; Measuring uncertainty; Microphones; Noise; Noise (environmental); Noise measurement; Noise sources; Observation; Operating conditions; Position; Power levels; Precision; Reverberation; Reverberation room method; Reverberation rooms; Rooms; Safety of machinery; Sound; Sound absorption; Sound intensity; Sound level; Sound power; Sound pressure; Sound sources; Specification (approval); Standard deviation; Surfaces; Temperature; Testing; Volume (sound)
  • Application areas:
    04.10 Elektrische Maschinen; 35.05 Gestaltung der Arbeitsstätten und -plätze; 38.05 Akustik/Lärm
  • Hazards:
    AB Terminologische Festlegungen in Normen mit Arbeitsschutzbezug; AC Mess- und Prüfverfahren für die Ermittlung von Belastungen und Gefährdungen; GC Schall (Lärm)
  • ICS:
    17.140.01 Acoustic measurements and noise abatement in general
  • Price:
    189,80 EUR
  • Cross references:
    IEC 60942 (2003-01){historisch}<S>; IEC 61260 (1995-07){historisch}<S>; IEC 61672-1 (2002-05){historisch}<S>; ISO 12001 (1996-12)<S>; IEC 61183 (1994-05)<G>; ISO/IEC Guide 98-3 (2008-09)<G>; ISO 3382-2 (2008-06)<G>; ISO 5725-1 (1994-12)<G>; ISO 5725-1 Technical Corrigendum 1 (1998-02)<G>; ISO 5725-3 (1994-12)<G>; ISO 5725-3 Technical Corrigendum 1 (2001-10)<G>; ISO 5725-5 (1998-07)<G>; ISO 5725-5 Technical Corrigendum 1 (2005-08)<G>; ISO 5725-6 (1994-12)<G>; ISO 5725-6 Technical Corrigendum 1 (2001-10)<G>; ISO 5725-2 (2019-12)<G>; ISO 5725-2 (2019-12)<G>; ISO 5725-4 (2020-03)<G>; ISO 6926 (2016-01)<G>; DIN EN 27574-1 (1989-03); DIN EN 27574-2 (1989-03); DIN EN 27574-3 (1989-03); DIN EN 27574-4 (1989-03); DIN EN 61183 (1994-12); DIN EN ISO 354 (2003-12); DIN EN ISO 3382-2 (2008-09); DIN EN ISO 3743-1 (2011-01); DIN EN ISO 4871 (2009-11); DIN EN ISO 9614-1 (2009-11); DIN EN ISO 9614-2 (1996-12); DIN EN ISO 9614-3 (2009-11); DIN EN ISO 12001 (2010-01); ISO 354 (2003-05); ISO 3743-1 (2010-10); ISO 3744 (2010-10); ISO 3746 (2010-12); ISO 3747 (2010-12); ISO 4871 (1996-12); ISO 7574-1 (1985-12); ISO 7574-2 (1985-12); ISO 7574-3 (1985-12); ISO 7574-4 (1985-12); ISO 9613-1 (1993-06); ISO 9614-1 (1993-06); ISO 9614-2 (1996-08); ISO 9614-3 (2002-11); ISO/TR 25417 (2007-12); 2006/42/EG (2006-05-17); DIN V ENV 13005 (1999-06); DIN EN ISO 9295 (2015-09); DIN EN IEC 60942 (2018-07); DIN EN 61260-3 (2016-09); DIN EN 61672-1 (2014-07); DIN EN ISO 3743-2 (2022-11); DIN EN ISO 3744 (2011-02); DIN EN ISO 3745 (2017-10); DIN EN ISO 3746 (2011-03); DIN EN ISO 3747 (2011-03); DIN EN ISO 6926 (2001-12); DIN EN ISO 80000-8 (2020-06); ISO 3740 (2019-02); ISO 3743-2 (2018-02); ISO 3745 (2012-03); ISO 9295 (2015-05); ISO 9296 (2017-08); ISO 80000-8 (2020-02)
  • Cited in:
    DIN 4109-36 (2016-07)<GLEITEND>; DIN EN 50134-3 (2012-11); DIN EN 60349-1 (2011-07); DIN EN 60349-2 (2011-07); DIN EN 60349-4 (2013-08); DIN EN IEC 60669-2-1 (2023-08); DIN EN IEC 60704-1 (2023-06); DIN EN 62075 (2013-07); DIN EN ISO 1680 (2014-04); DIN EN ISO 3382-3 (2012-05); DIN EN ISO 3740 (2019-08); DIN EN ISO 3743-2 (2022-11); DIN EN ISO 3744 (2011-02); DIN EN ISO 3745 (2012-07); DIN EN ISO 3745 (2017-10); DIN EN ISO 3746 (2011-03); DIN EN ISO 3747 (2011-03); DIN EN ISO 5135 (2020-12); DIN EN ISO 6926 (2016-08); DIN EN ISO 6926 (2023-08); DIN EN ISO 7779 (2011-01); DIN EN ISO 7779 (2019-04); DIN EN ISO 9295 (2015-09); DIN EN ISO 11200 (2014-10); DIN EN ISO 11200 (2020-10); DIN EN ISO 11202 (2023-02); DIN EN ISO 11203 (2022-12); DIN EN ISO 11204 (2019-10); DIN EN ISO 11690-1 (2021-04); DIN EN ISO 11690-2 (2021-04); DIN EN ISO 11691 (2021-03); DIN EN ISO 14257 (2011-11); DIN EN ISO 17201-1 (2019-06); DIN EN ISO 17201-3 (2019-06); DIN CEN ISO/TR 22100-1 (2021-09); DIN ISO 15665 (2011-02); DIN ISO 20189 (2020-12); DIN ISO/TR 22100-1 (2016-07); DIN SPEC 45660-1 (2014-05); VDI 2081 Blatt 1 (2019-03)<STARR>; VDI 2081 Blatt 1 (2022-04)<STARR>; VDI 2081 Blatt 2 (2022-10)<STARR>; VDI 2569 (2019-10)<STARR>; VDI 2596 (2020-07)<STARR>; VDI 2715 (2011-11); VDMA 4825 (2014-03)<GLEITEND>; TA Lärm (1998-08-26)
  • Identical with:
    EN ISO 3741(2010-10)<IDT>; ISO 3741(2010-10)<IDT>; TS EN ISO 3741(2014-12-16)<IDT>
  • Legislation:
    2006/42/EG (2006-05-17)<H>; Maschinenrichtlinie; 2006/42/EGMitt 2011-04 (2011-04-08); 2006/42/EGMitt 2011-07 (2011-07-20); 2006/42/EGMitt 2011-11 (2011-11-18); 2006/42/EGMitt 2012-02 (2012-02-29); 2006/42/EGMitt 2012-03 (2012-03-23); 2006/42/EGMitt 2012-06 (2012-06-05); 2006/42/EGMitt 2012-08 (2012-08-24); 2006/42/EGMitt 2012-11 (2012-11-15); 2006/42/EGMitt 2013-04 (2013-04-05); 2006/42/EGMitt 2013-11 (2013-11-28); 2006/42/EGMitt 2014-04 (2014-04-11); 2006/42/EGMitt 2014-07 (2014-07-11); 2006/42/EGMitt 2015-02 (2015-02-13); 2006/42/EGMitt 2016-01 (2016-01-15); 2006/42/EGMitt 2016-05 (2016-05-13); 2006/42/EGMitt 2016-09 (2016-09-09); 2006/42/EGMitt 2017-06 (2017-06-09); 2006/42/EGMitt 2018-03 (2018-03-09)
  • Harmonization info:
    2006/42/EG (2006-05-17); Maschinenrichtlinie
  • Update flag:
    Unchanged

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