1、 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 Matriel lectrique de mesure, de commande et de laboratoire Exigences relatives la CEM Partie 1: Exigences gnrale
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16、NATIONAL STANDARD NORME INTERNATIONALE Electrical equipment for measurement, control and laboratory use EMC requirements Part 1: General requirements Matriel lectrique de mesure, de commande et de laboratoire Exigences relatives la CEM Partie 1: Exigences gnrales INTERNATIONAL ELECTROTECHNICAL COMMI
17、SSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 17.220; 19.080; 25.040.40; 33.100 PRICE CODE CODE PRIX ISBN 978-2-83220-207-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtaine
18、d this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 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 pla
19、n . 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 Opera
20、tion 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
21、 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 (
22、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 Tabl
23、e 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
24、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 1) The International Electrotechnical Commission (IEC) is a worldwide organizatio
25、n 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 pu
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31、esponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for
32、 any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees an
33、d IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) A
34、ttention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights
35、. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61326-1 has been prepared by subcommittee 65A: System aspects, of IEC technical committee 65: Industrial-process measurement, control and automation. This second edition cancels and replaces
36、 the first edition, published in 2005. This edition constitutes a technical revision. The significant technical changes with respect to the previous edition are as follows: the immunity test levels and performance criteria have been reviewed; requirements for portable test and measurement equipment
37、have been clarified and amended; the description of the electromagnetic environments has been improved. 61326-1 IEC:2012 5 The text of this standard is based on the following documents: FDIS Report on voting 65A/628/FDIS 65A/637/RVD Full information on the voting for the approval of this standard ca
38、n be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 61326 series under the general title Electrical equipment for measurement, control and laboratory use EMC requirements,
39、 can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfir
40、med, withdrawn, replaced by a revised edition, or amended. 6 61326-1 IEC:2012 INTRODUCTION Instruments and equipment within the scope of this standard may often be geographically widespread and hence operate under a wide range of environmental conditions. The limitation of undesired electromagnetic
41、emissions ensures that no other equipment, installed nearby, is unduly influenced by the equipment under consideration. The limits are more or less specified by, and therefore taken from, IEC and International Special Committee on Radio Interference (CISPR) publications. However, the equipment shoul
42、d function without undue degradation in an electromagnetic environment typical for the locations where it is intended to be operated. In this respect the standard specifies three different types of electromagnetic environment and the levels for immunity. More detailed information about issues relate
43、d to electromagnetic environments are given in IEC 61000-2-5. Special risks, involving for example nearby or direct lightning strikes, circuit-breaking, or exceptionally high electromagnetic radiation in close proximity, are not covered. Complex electric and/or electronic systems should require EMC
44、planning in all phases of their design and installation, taking into consideration the electromagnetic environment, any special requirements, and the severity of failures. This part of IEC 61326 specifies the EMC requirements that are generally applicable to all equipment within its scope. For certa
45、in types of equipment, these requirements will be supplemented or modified by the special requirements of one, or more than one, particular part within IEC 61326-2 series. These should be read in conjunction with the IEC 61326-1 requirements. 61326-1 IEC:2012 7 ELECTRICAL EQUIPMENT FOR MEASUREMENT,
46、CONTROL AND LABORATORY USE EMC REQUIREMENTS Part 1: General requirements 1 Scope This part of IEC 61326 specifies requirements for immunity and emissions regarding electro- magnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V a.c. or 1 500 V
47、d.c. or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. It includes equipment and computing devices for measurement and test; control; laboratory use; accessories intended for use with the
48、 above (such as sample handling equipment), intended to be used in industrial and non-industrial locations. Computing devices and assemblies and similar equipment within the scope of Information Technology Equipment (ITE) and complying with applicable ITE EMC standards may be used in systems within
49、the scope of this part of IEC 61326 without additional testing, if they are suitable for the intended electromagnetic environment. It is generally considered that this standard takes precedence over the corresponding generic EMC standards. The following equipment is covered by this standard. a) Electrical measurement and test equipment This is equipment which, by electrical means, measures, indicates or
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