IEC 63121:2020
(Main)Radiation protection instrumentation - Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials
Radiation protection instrumentation - Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials
IEC 63121:2020 applies to vehicle-mounted mobile systems (also known as mobile systems or mobile monitors) that are used for the detection of illicit trafficking of radioactive materials; these instruments may also be used for protection of major public events and for rapid screening of large areas. These vehicle-mounted mobile systems consist of one or more radiation detectors mounted in a vehicle, e.g., car or van, which travels predominantly on public roads. This document does not apply to detection systems mounted in other types of vehicles, e.g., planes, helicopters, trains, or boats. Vehicle-mounted detection systems covered by this document are designed to detect radioactive sources while the vehicle is in motion. They may also be used as stationary monitors that scan stationary or moving objects. Vehicle-mounted mobile systems detect gamma radiation and may include neutron detection and/or identification of gamma-ray emitting radionuclides.
Instrumentation pour la radioprotection - Systèmes mobiles montés sur véhicules pour la détection du trafic illicite des matières radioactives
IEC 63121:2020 s'applique aux systèmes mobiles montés sur véhicules (également connus sous le nom de systèmes mobiles ou moniteurs mobiles) qui sont utilisés pour la détection du trafic illicite des matières radioactives; ces instruments peuvent également être utilisés pour la protection d'événements publics majeurs et pour le contrôle rapide de zones étendues. Ces systèmes mobiles montés sur véhicules comprennent un ou plusieurs détecteurs de rayonnement installés dans un véhicule (automobile ou fourgon, par exemple) qui se déplace principalement sur la voie publique. Le présent document ne s'applique pas aux systèmes de détection montés sur d'autres types de véhicules (avions, hélicoptères, trains ou bateaux, par exemple). Les systèmes de détection montés sur véhicules couverts par le présent document sont conçus pour détecter les sources radioactives alors que le véhicule est en mouvement. Ils peuvent également être utilisés comme des moniteurs fixes qui examinent des objets fixes ou en mouvement. Les systèmes mobiles montés sur véhicules détectent les rayonnements gamma, et peuvent inclure la détection neutronique et/ou l'identification de radionucléides émetteurs de rayons gamma. L'objet du présent document est de définir les exigences minimales relatives aux systèmes mobiles montés sur véhicules destinés à la détection de matières radioactives. Le présent document établit les exigences générales, radiologiques, climatiques, mécaniques, électriques et électromagnétiques, ainsi que les exigences de documentation et les méthodes d'essai associées.
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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
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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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
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 . 27
6.6.1 Requirements . 27
6.6.2 Method of test. 27
6.7 Background effects—vehicle-mounted mobile system is mobile during use . 27
6.7.1 Requirements and background information . 27
6.7.2 Method of test. 28
6.8 Radionuclide identification—when provided . 30
6.8.1 Radionuclide categorisation . 30
6.8.2 Single radionuclide identification . 31
6.8.3 Simultaneous radionuclide identification . 32
6.8.4 Radionuclide not in library . 32
7 Climatic requirements . 33
7.1 General . 33
7.2 Ambient temperature. 34
7.2.1 Requirements . 34
7.2.2 Method of test. 34
7.3 Relative humidity . 34
7.3.1 Requirements . 34
7.3.2 Method of test. 34
7.4 Dust and moisture protection . 35
7.4.1 Requirements . 35
7.4.2 Method of test—dust . 35
7.4.3 Method of test—moisture . 35
8 Mechanical requirements . 35
8.1 Microphonics/impact . 35
8.1.1 Requirements . 35
8.1.2 Method of test. 36
8.2 Vibration . 36
8.2.1 Requirements . 36
8.2.2 Method of test.
...
IEC 63121 ®
Edition 1.0 2020-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Radiation protection instrumentation –
Vehicle-mounted mobile systems for the detection of illicit trafficking of
radioactive materials
Instrumentation pour la radioprotection –
Systèmes mobiles montés sur véhicules pour la détection du trafic illicite des
matières radioactives
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
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Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
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IEC 63121 ®
Edition 1.0 2020-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Radiation protection instrumentation –
Vehicle-mounted mobile systems for the detection of illicit trafficking of
radioactive materials
Instrumentation pour la radioprotection –
Systèmes mobiles montés sur véhicules pour la détection du trafic illicite des
matières radioactives
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.280 ISBN 978-2-8322-1016-5
– 2 – IEC 63121:2020 © IEC 2020
CONTENTS
FOREWORD . 5
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
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 . 27
6.6.1 Requirements . 27
6.6.2 Method of test. 27
6.7 Background effects—vehicle-mounted mobile system is mobile during use . 27
6.7.1 Requirements and background information . 27
6.7.2 Method of test.
...
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