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EUROPEAN STANDARD
EN 61326-2-1
NORME EUROPÉENNE
May 2006
EUROPÄISCHE NORM
ICS 17.220; 25.040.40; 33.100 Supersedes EN 61326:1997 + A1:1998 + A2:2001 + A3:2003

English version
Electrical equipment for measurement,
control and laboratory use –
EMC requirements
Part 2-1: Particular requirements –
Test configurations, operational conditions and performance criteria
for sensitive test and measurement equipment
for EMC unprotected applications
(IEC 61326-2-1:2005)
Matériel électrique de mesure,  Elektrische Mess-, Steuer-, Regel-
de commande et de laboratoire – und Laborgeräte –
Exigences relatives à la CEM EMV-Anforderungen
Partie 2-1: Exigences particulières – Tel 2-1: Besondere Anforderungen –
Configurations d'essai, conditions Prüfanordnung, Betriebsbedingungen
fonctionnelles et critères de performance und Leistungsmerkmale
pour essai de sensibilité et équipement für empfindliche Prüf- und Messgeräte
de mesures pour les applications für Anwendungen
non protégées de la CEM ohne EMV-Schutzmaßnahmen
(CEI 61326-2-1:2005) (IEC 61326-2-1:2005)

This European Standard was approved by CENELEC on 2006-02-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61326-2-1:2006 E
Foreword
The text of document 65A/454/FDIS, future edition 1 of IEC 61326-2-1, prepared by SC 65A, System
aspects, of IEC TC 65, Industrial-process measurement and control, was submitted to the IEC-CENELEC
parallel vote and was approved by CENELEC as EN 61326-2-1 on 2006-02-01.
The EN 61326 series supersedes EN 61326:1997 + corrigendum September 1998 + A1:1998 + A2:2001
+ A3:2003.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-02-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive 89/336/EEC. See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
.
__________
Endorsement notice
The text of the International Standard IEC 61326-2-1:2005 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 61326-2-1:2006
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
IEC 60050-161 1990 International Electrotechnical Vocabulary – –
Chapter 161: Electromagnetic compatibility

IEC 61326-1 2005 Electrical equipment for measurement, EN 61326-1 2006
control and laboratory use –
EMC requirements
Part 1: General requirements
Annex ZZ
(informative)
Coverage of Essential Requirements of EC Directives
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant essential requirements as given in Article 4 of the EC Directive 89/336/EEC.
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
___________
NORME CEI
INTERNATIONALE
IEC
61326-2-1
INTERNATIONAL
Première édition
STANDARD
First edition
2005-12
Matériel électrique de mesure,
de commande et de laboratoire –
Exigences relatives à la CEM –
Partie 2-1:
Exigences particulières – Configurations d'essai,
conditions fonctionnelles et critères de
performance pour essai de sensibilité et
équipement de mesures pour les applications
non protégées de la CEM
Electrical equipment for measurement,
control and laboratory use –
EMC requirements –
Part 2-1:
Particular requirements – Test configurations,
operational conditions and performance criteria
for sensitive test and measurement equipment
for EMC unprotected applications
 IEC 2005 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
CODE PRIX
H
PRICE CODE
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue

61326-2-1  IEC:2005 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICAL EQUIPMENT FOR MEASUREMENT,
CONTROL AND LABORATORY USE –
EMC REQUIREMENTS –
Part 2-1: Particular requirements – Test configurations,
operational conditions and performance criteria for sensitive test
and measurement equipment for EMC unprotected applications

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional p
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