EN IEC 62976:2019

SLOVENSKI STANDARD
01-september-2019
Oprema za industrijsko neporušitveno preskušanje - Elektronski linearni
pospeševalnik (IEC 62976:2017)
Industrial non-destructive testing equipment - Electron linear accelerator (IEC
62976:2017)
Industrielle Ausrüstung für die zerstörungsfreie Prüfung - Elektronenlinearbeschleuniger
(IEC 62976:2017)
Appareils destinés aux essais non destructifs pour le secteur industriel - Accélérateur
électronique linéaire (IEC 62976:2017)
Ta slovenski standard je istoveten z: EN IEC 62976:2019
ICS:
19.100 Neporušitveno preskušanje Non-destructive testing
27.120.01 Jedrska energija na splošno Nuclear energy in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62976

NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2019
ICS 27.120.01
English Version
Industrial non-destructive testing equipment - Electron linear
accelerator
(IEC 62976:2017)
Appareils destinés aux essais non destructifs pour le Industrielle Ausrüstung für die zerstörungsfreie Prüfung -
secteur industriel - Accélérateur électronique linéaire Elektronenlinearbeschleuniger
(IEC 62976:2017) (IEC 62976:2017)
This European Standard was approved by CENELEC on 2019-05-22. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62976:2019 E
European foreword
This document (EN IEC 62976:2019) consists of the text of IEC 62976:2017 prepared by IEC/TC 45
"Nuclear instrumentation".
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-05-22
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-05-22
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62976:2017 was approved by CENELEC as a European
Standard without any modification.

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
ISO 780 2015 Packaging – Distribution packaging – EN ISO 780 2015
Graphical symbols for handling and
storage of packages
ISO 19232-1 2013 Non-destructive testing – Image quality of EN ISO 19232-1 2013
radiographs – Part 1: Determination of the
image quality value using wire-type image
quality indicators
ISO/IEC Guide 37 2012 Instructions for use of products by - -
consumers
IEC 62976 ®
Edition 1.0 2017-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial non-destructive testing equipment – Electron linear accelerator

Appareils destinés aux essais non destructifs pour le secteur industriel –

Accélérateur électronique linéaire

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.120.01 ISBN 978-2-8322-4128-8

– 2 – IEC 62976:2017 © IEC 2017
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Equipment sets, names and work conditions . 8
4.1 Equipment sets . 8
4.2 Name convention . 8
4.3 Operating conditions . 9
4.3.1 Environmental requirement . 9
4.3.2 Power supply . 9
5 Technical requirements . 9
5.1 Appearance . 9
5.2 Control system . 9
5.2.1 Design principle . 9
5.2.2 Operation of start and stop . 9
5.2.3 Functions of control system . 9
5.3 Performance . 10
5.3.1 X-ray beam energy . 10
5.3.2 X-ray homogeneity . 10
5.3.3 X-ray beam air kerma rate . 10
5.3.4 X-ray beam focal spot . 11
5.3.5 X-ray beam asymmetry . 11
5.3.6 X-ray sensitivity . 11
5.3.7 Dose leakage . 12
5.4 Electrical safety . 12
5.4.1 Protective grounding . 12
5.4.2 Insulation resistance . 12
5.4.3 Dielectric strength . 12
5.4.4 Protection against electric shock . 12
5.5 Reliability . 12
5.5.1 Continuous operation . 12
5.5.2 Recovery . 12
5.5.3 Restart . 12
6 Test methods . 12
6.1 General requirements . 12
6.1.1 Testing conditions . 12
6.1.2 Instruments and devices . 13
6.2 Visual inspection . 14
6.3 Control system test . 14
6.4 Performance test . 14
6.4.1 X-ray beam energy . 14
6.4.2 X-ray homogeneity . 15
6.4.3 X-ray beam air kerma rate . 16
6.4.4 X-ray beam focal spot . 16
6.4.5 X-ray beam asymmetry . 18
6.4.6 X-ray sensitivity . 18

IEC 62976:2017 © IEC 2017 – 3 –
6.4.7 Leakage dose rate . 18
6.5 Electrical safety testing . 19
6.5.1 Protective grounding . 19
6.5.2 Insulation resistance . 19
6.5.3 Dielectric strength . 19
6.5.4 Protection against electric shock . 19
6.6 Reliability test . 19
6.6.1 Continuous operation . 19
6.6.2 Recovery . 19
6.6.3 Restart . 19
7 Inspection rules . 20
7.1 Inspection classification . 20
7.2 Inspection items . 20
7.3 Criterion rule . 20
8 Marking, packaging, transportation, storage and accompanying documents . 20
8.1 Marking . 20
8.1.1 Accelerator signs . 20
8.1.2 Component nameplates . 21
8.1.3 Labels . 21
8.1.4 Warning signs . 21
8.2 Packaging . 21
8.3 Transportation . 21
8.4 Storage . 21
8.5 Accompanying documents . 22
8.5.1 Instructions .
...