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CEN

EN ISO 3744:2009

(Main)

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)

Establishes definitions, requirements, methods of testing and rated values for phase-to-earth capacitive and screen-to-earth intrusive inductive coupling devices to be used in medium voltage DLC systems.
This publication is of high relevance for Smart Grid.

Akustik - Bestimmung der Schallleistungspegel von Geräuschquellen aus Schalldruckmessungen - Hüllflächenverfahren der Genauigkeitsklasse 2 für ein im Wesentlichen freies Schallfeld über einer reflektierenden Ebene (ISO 3744:1994)

Acoustique - Détermination des niveaux de puissance acoustique émis par les sources de bruit à partir de la pression acoustique - Méthode d'expertise dans des conditions approchant celles du champ libre sur plan réfléchissant (ISO 3744:1994)

Enonce des définitions, des exigences, des méthodes d'essai et des valeurs nominales pour les dispositifs de couplage phase-terre capacitifs et blindage-terre inductifs intrusifs devant être utilisés sur des systèmes DLC moyenne tension.

Akustika - Ugotavljanje ravni zvočnih moči virov hrupa z merjenjem zvočnega tlaka - Inženirska metoda v pretežno prostem polju nad odbojno ravnino (ISO 3744:1994)

General Information

Status
Withdrawn
Publication Date
28-Jul-2009
Withdrawal Date
30-Sep-2010
ICS
17.140.01 - Acoustic measurements and noise abatement in general
Technical Committee
CEN/TC 211 - Acuostics
Drafting Committee
CEN/TC 211 - Acuostics
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
01-Oct-2010
Completion Date
01-Oct-2010
Directive
2006/42/EC - Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)
89/392/EEC - Machinery - Safety of machinery: general essential health and safety requirements
98/37/EC - Machinery
Mandate
M/BC/CEN/88/13 - Standardization request to CEN/CENELEC relating to machinery
Ref Project
SIST EN ISO 3744:2009 - Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)

Relations

Replaces
EN ISO 3744:1995 - Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)
Effective Date
01-Aug-2009
Replaced By
EN ISO 3744:2010 - Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
Effective Date
09-Oct-2010

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 3744:2009
01-november-2009
1DGRPHãþD
SIST EN ISO 3744:1997
$NXVWLND8JRWDYOMDQMHUDYQL]YRþQLKPRþLYLURYKUXSD]PHUMHQMHP]YRþQHJD
WODND,QåHQLUVNDPHWRGDYSUHWHåQRSURVWHPSROMXQDGRGERMQRUDYQLQR ,62

Acoustics - Determination of sound power levels of noise sources using sound pressure -
Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)
Akustik - Bestimmung der Schalleistungspegel von Geräuschquellen aus
Schalldruckmessungen - Hüllflächenverfahren der Genauigkeitsklasse 2 für ein im
wesentlichen freies Schallfeld über einer reflektierenden Ebene (ISO 3744:1994)
Acoustique - Détermination des niveaux de puissance acoustique émis par les sources
de bruit à partir de la pression acoustique - Méthode d'expertise dans des conditions
approchant celles du champ libre sur plan réfléchissant (ISO 3744:1994)
Ta slovenski standard je istoveten z: EN ISO 3744:2009
ICS:
17.140.01 $NXVWLþQDPHUMHQMDLQ Acoustic measurements and
EODåHQMHKUXSDQDVSORãQR noise abatement in general
SIST EN ISO 3744:2009 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN ISO 3744:2009

---------------------- Page: 2 ----------------------

SIST EN ISO 3744:2009
EUROPEAN STANDARD
EN ISO 3744
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2009
ICS 17.140.01 Supersedes EN ISO 3744:1995
English Version
Acoustics - Determination of sound power levels of noise
sources using sound pressure - Engineering method in an
essentially free field over a reflecting plane (ISO 3744:1994)
Acoustique - Détermination des niveaux de puissance Akustik - Bestimmung der Schalleistungspegel von
acoustique émis par les sources de bruit à partir de la Geräuschquellen aus Schalldruckmessungen -
pression acoustique - Méthode d'expertise dans des Hüllflächenverfahren der Genauigkeitsklasse 2 für ein im
conditions approchant celles du champ libre sur plan wesentlichen freies Schallfeld über einer reflektierenden
réfléchissant (ISO 3744:1994) Ebene (ISO 3744:1994)
This European Standard was approved by CEN on 13 July 2009.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3744:2009: E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------

SIST EN ISO 3744:2009
EN ISO 3744:2009 (E)
Contents Page
Foreword .3
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 98/37/EC .4
Annex ZB (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC .5

2

---------------------- Page: 4 ----------------------

SIST EN ISO 3744:2009
EN ISO 3744:2009 (E)
Foreword
The text of ISO 3744:1994 has been prepared by Technical Committee ISO/TC 43 “Acoustics” of the
International Organization for Standardization (ISO) and has been taken over as EN ISO 3744:2009 by
Technical Committee CEN/TC 211 “Acoustics” the secretariat of which is held by DS.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by January 2010, and conflicting national standards shall be withdrawn at
the latest by January 2010.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
...

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