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SLOVENSKI STANDARD
01-februar-2022
Instrumenti za zaščito pred sevanjem - Vozila z vgrajenimi mobilnimi sistemi za
odkrivanje nedovoljene trgovine z radioaktivnimi snovmi (IEC 63121:2020)
Radiation protection instrumentation - Vehicle-mounted mobile systems for the detection
of illicit trafficking of radioactive materials (IEC 63121:2020)
Strahlenschutz-Messgeräte - Fahrzeuggestützte mobile Systeme zum Aufspüren von
unerlaubt transportiertem radioaktivem Material (IEC 63121:2020)
Instrumentation pour la radioprotection - Systèmes mobiles montés sur véhicules pour la
détection du trafic illicite des matières radioactives (IEC 63121:2020)
Ta slovenski standard je istoveten z: EN IEC 63121:2021
ICS:
13.280 Varstvo pred sevanjem Radiation protection
13.310 Varstvo pred kriminalom Protection against crime
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63121
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2021
ICS 13.280
English Version
Radiation protection instrumentation - Vehicle-mounted mobile
systems for the detection of illicit trafficking of radioactive
materials
(IEC 63121:2020)
Instrumentation pour la radioprotection - Systèmes mobiles Strahlenschutz-Messgeräte - Fahrzeuggestützte mobile
montés sur véhicules pour la détection du trafic illicite des Systeme zum Aufspüren von unerlaubt transportiertem
matières radioactives radioaktivem Material
(IEC 63121:2020) (IEC 63121:2020)
This European Standard was approved by CENELEC on 2021-12-02. 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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63121:2021 E
European foreword
This document (EN IEC 63121:2021) consists of the text of IEC 63121:2020 prepared by IEC/SC 45B
“Radiation protection instrumentation” of IEC/TC 45 "Nuclear instrumentation".
The following dates are fixed:
• latest date by which this document has to be (dop) 2022-12-02
implemented at national level by publication of an
identical national standard or by endorsement
• latest date by which the national standards (dow) 2024-12-02
conflicting with this 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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63121:2020 was approved by CENELEC as a European Standard
without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60068-2-11 NOTE Harmonized as EN IEC 60068-2-11
IEC 60086-1 NOTE Harmonized as EN IEC 60086-1
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
IEC 60050-395 2014 International Electrotechnical Vocabulary - - -
Part 395: Nuclear instrumentation: Physical
phenomena, basic concepts, instruments,
systems, equipment and detectors
IEC 61187 - Electrical and electronic measuring EN 61187 -
equipment - Documentation
IEC 62706 - Radiation protection instrumentation - - -
Environmental, electromagnetic and
mechanical performance requirements
IEC 62755 - Radiation protection instrumentation - Data - -
format for radiation instruments used in the
detection of illicit trafficking of radioactive
materials
IEC 63121
Edition 1.0 2020-01
INTERNATIONAL
STANDARD
colour
inside
Radiation protection instrumentation –
Vehicle-mounted mobile systems for the detection of illicit trafficking of
radioactive materials
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.280 ISBN 978-2-8322-7706-5
– 2 – IEC 63121:2020 © IEC 2020
CONTENTS
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions, abbreviated terms and symbols, quantities and units . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms and symbols . 10
3.3 Quantities and units . 11
4 General test procedure . 11
4.1 General . 11
4.2 Standard test conditions . 11
4.3 Uncertainties. 12
4.4 Statistical fluctuations . 12
4.5 Background radiation during testing . 12
4.6 Operating parameters and set up . 12
4.7 Setup and test parameters . 12
4.8 Dynamic testing . 13
4.9 Static testing . 13
4.10 Radiation sources . 14
4.11 Special nuclear material (SNM) and depleted uranium (DU) sources . 15
4.12 Functionality test and test acceptance range requirements . 16
4.12.1 General requirements . 16
4.12.2 Pre-test measurements . 17
4.12.3 Intermediate-test measurements . 18
4.12.4 Post-test measurements . 18
4.12.5 Acceptance criteria . 19
5 General requirements . 19
5.1 General characteristics . 19
5.2 Physical configuration . 20
5.3 Data storage and data files . 20
5.3.1 Requirements . 20
5.3.2 Method of test. 21
5.4 Communications protocol . 21
5.4.1 Requirements . 21
5.4.2 Method of test. 21
5.5 Indication and alarm features . 21
5.5.1 Requirements . 21
5.5.2 Method of test. 21
5.6 Markings . 22
5.6.1 Requirements . 22
5.6.2 Method of test. 22
5.7 Power supply . 22
5.7.1 Requirements . 22
5.7.2 Method of test. 22
5.8 User interface . 22
5.8.1 User accessible controls requirements . 22
5.8.2 Supervisory-user accessible indications and functions requirements. 22
5.8.3 User display and visual indicators requirements . 23
IEC 63121:2020 © IEC 2020 – 3 –
5.8.4 Warning indicators requirements. 23
5.8.5 Method of test. 23
6 Radiological tests . 24
6.1 False alarm test . 24
6.1.1 Requirements . 24
6.1.2 Method of test. 24
6.2 Gamma radiation alarm . 24
6.2.1 Requirements . 24
6.2.2 Method of test. 25
6.3 Neutron radiation alarm . 25
6.3.1 Requirements . 25
6.3.2 Method of test. 25
6.4 Over-range indication . 25
6.4.1 Requirements . 25
6.4.2 Method of test. 26
6.5 Neutron indication in the presence of photons . 26
6.5.1 Requirements . 26
6.5.2 Method of test. 26
6.6 Slowly approaching source—vehicle-mounted mobile system is stationary
during use .
...