IEC 61326-1:2012

IEC 61326-1 ®
Edition 2.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrical equipment for measurement, control and laboratory use – EMC
requirements –
Part 1: General requirements
Matériel électrique de mesure, de commande et de laboratoire – Exigences
relatives à la CEM –
Partie 1: Exigences générales
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IEC 61326-1 ®
Edition 2.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrical equipment for measurement, control and laboratory use – EMC

requirements –
Part 1: General requirements
Matériel électrique de mesure, de commande et de laboratoire – Exigences

relatives à la CEM –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX S
ICS 17.220; 19.080; 25.040.40; 33.100 ISBN 978-2-83220-207-4

– 2 – 61326-1 © IEC:2012
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 8
3 Terms and definitions . 9
4 General . 11
5 EMC test plan . 12
5.1 General . 12
5.2 Configuration of EUT during testing . 12
5.2.1 General . 12
5.2.2 Composition of EUT . 12
5.2.3 Assembly of EUT . 12
5.2.4 I/O ports . 12
5.2.5 Auxiliary equipment . 12
5.2.6 Cabling and earthing (grounding) . 12
5.3 Operation conditions of EUT during testing . 13
5.3.1 Operation modes . 13
5.3.2 Environmental conditions . 13
5.3.3 EUT software during test . 13
5.4 Specification of functional performance . 13
5.5 Test description . 13
6 Immunity requirements . 13
6.1 Conditions during the tests . 13
6.2 Immunity test requirements . 13
6.3 Random aspects. 16
6.4 Performance criteria . 17
6.4.1 General . 17
6.4.2 Performance criterion A . 17
6.4.3 Performance criterion B . 17
6.4.4 Performance criterion C . 17
7 Emission requirements . 17
7.1 Conditions during measurements . 17
7.2 Emission limits . 18
8 Test results and test report . 18
9 Instructions for use . 18
Annex A (normative) Immunity test requirements for portable test and measurement
equipment powered by battery or from the circuit being measured . 19
Bibliography . 20

Figure 1 – Examples of ports . 11

Table 1 – Immunity test requirements for equipment intended to be used in a basic
electromagnetic environment . 14
Table 2 – Immunity test requirements for equipment intended to be used in an
industrial electromagnetic environment . 15

61326-1 © IEC:2012 – 3 –
Table 3 – Immunity test requirements for equipment intended to be used in a
controlled electromagnetic environment . 16
Table A.1 – Immunity test requirements for portable test and measurement equipment . 19

– 4 – 61326-1 © IEC:2012
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICAL EQUIPMENT FOR MEASUREMENT,
CONTROL AND LABORATORY USE –
EMC REQUIREMENTS –
Part 1: General requirements
FOREWORD
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International Standard IEC 61326-1 has been prepared by subcommittee 65A: System
aspects, of IEC technical committee 65: Industrial-process measureme
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