IEC 62484:2020
(Main)Radiation protection instrumentation - Spectrometric radiation portal monitors (SRPMs) used for the detection and identification of illicit trafficking of radioactive material
Radiation protection instrumentation - Spectrometric radiation portal monitors (SRPMs) used for the detection and identification of illicit trafficking of radioactive material
IEC 62484:2020 defines the performance requirements of installed monitors used for the detection and identification of gamma emitters and the detection of neutron radiation emitters. These monitors are commonly known as spectrometric radiation portal monitors or SRPMs. They are used to monitor vehicles, cargo containers, people, or packages and are typically used at national and international border crossings and ports of entry. SRPMs may be used at any location where there is a need for this type of monitoring.
This document establishes the general, radiological, climatic, mechanical, electric and electromagnetic and documentation requirements and associated test methods. A summary of the performance requirements and informative listing of environmental requirements from IEC 62706 is provided.
This edition includes the following significant technical changes with respect to the previous edition:
- title modified;
- making the standard consistent with the new standards for detection of illicit trafficking of radioactive material (see the Introduction);
- creating unformed functionality test for all environmental, electromagnetic and mechanical tests and a requirement for the coefficient of variation of each nominal mean reading;
- reference to IEC 62706 for the environmental, electromagnetic and mechanical test conditions;
- adding information regarding climatic exposures.
Instrumentation pour la radioprotection - Portiques spectrométriques de détection des rayonnements (SRPMs) utilisés pour la détection et l'identification du trafic illicite des matières radioactives
IEC 62484:2020 définit les exigences de performances des moniteurs installés, qui sont utilisés pour la détection et l'identification des émetteurs de rayonnements gamma et pour la détection des émetteurs de rayonnements neutroniques. Ces moniteurs sont souvent appelés portiques spectrométriques de détection des rayonnements ou SRPMs (Spectrometric Radiation Portal Monitors). Ils sont utilisés pour surveiller des véhicules, des conteneurs de fret, des personnes ou des colis et généralement employés aux frontières nationales et internationales, ainsi qu'aux ports d'entrée. Les SRPMs peuvent être utilisés à tous les emplacements, où ce type de surveillance est nécessaire.
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. Le Tableau 11 fournit un récapitulatif des exigences de performances. Une liste informative des exigences d'environnement de l'IEC 62706 est fournie.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- modification du titre;
- cohérence de la norme avec les nouvelles normes relatives à la détection du trafic illicite de matières radioactives (voir l'Introduction);
- création d'un essai de fonctionnalité brut pour tous les essais environnementaux, électromagnétiques et mécaniques, et d'une exigence relative au coefficient de variation de chaque relevé de moyenne nominal;
- référence à l'IEC 62706 pour les conditions d'essais environnementaux, électromagnétiques et mécaniques;
- ajout d'informations concernant l'exposition aux conditions climatiques.
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IEC 62484 ®
Edition 2.0 2020-10
INTERNATIONAL
STANDARD
Radiation protection instrumentation – Spectrometric radiation portal monitors
(SRPMs) used for the detection and identification of illicit trafficking of
radioactive material
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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International Standards for all electrical, electronic and related technologies.
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IEC 62484 ®
Edition 2.0 2020-10
INTERNATIONAL
STANDARD
Radiation protection instrumentation – Spectrometric radiation portal monitors
(SRPMs) used for the detection and identification of illicit trafficking of
radioactive material
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.280 ISBN 978-2-8322-8873-3
– 2 – IEC 62484:2020 © 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 . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms and symbols . 10
3.3 Quantities and units . 11
4 Design requirements . 11
4.1 General . 11
4.1.1 Overview . 11
4.1.2 Pedestrian monitor . 14
4.1.3 Road vehicle monitor . 14
4.1.4 Rail vehicle monitor (includes rail transported containers) . 14
4.1.5 Package (or conveyor) monitor . 14
4.2 Physical configuration . 14
4.3 Spectral identification and count rate information . 15
4.4 Indication features . 15
4.5 Occupancy and speed sensors . 16
4.6 Markings . 16
4.7 Protection of switches . 16
4.8 Energy and count rate range . 16
4.9 Data transfer . 16
4.10 User interface . 16
4.10.1 Audible (sound) alarm . 16
4.10.2 Visual indicators . 16
4.10.3 Warning indicators . 17
4.10.4 Basic controls and functions . 17
4.10.5 Advanced indications and functions . 17
5 General test procedures . 18
5.1 General test conditions . 18
5.1.1 Nature of tests . 18
5.1.2 Standard test conditions . 18
5.1.3 Statistical fluctuations . 18
5.2 Reference neutron radiation for alarm testing. 19
5.3 Alarm categorization . 19
5.4 General requirements for testing radionuclide identification ability . 19
5.5 Functionality test . 20
5.5.1 General . 20
5.5.2 Pre-test measurements . 21
5.5.3 Intermediate (during test) measurements . 21
5.5.4 Post-test measurements . 21
6 Radiation detection requirements . 21
6.1 Stability test . 21
6.1.1 Requirements . 21
6.1.2 Method of test. 21
6.2 Neutron radiation detection, if provided . 22
6.2.1 Requirements . 22
6.2.2 Method of test. 22
6.3 Gamma over-range indication . 22
6.3.1 Requirements . 22
6.3.2 Method of test. 22
6.4 Detection of neutron radiation in a high gamma field . 23
6.4.1 Requirements . 23
6.4.2 Method of test – large road vehicle and multiple-sided rail vehicle
monitors . 23
6.4.3 Method of test – all other types of monitors . 23
6.5 Background effects . 23
6.5.1 Requirements . 23
6.5.2 Method of test. 24
6.6 Radionuclide identification . 24
6.6.1 Radionuclide library and identification categorization . 24
6.6.2 Radionuclide identification qualification . 25
6.6.3 Single radionuclide identification . 25
6.6.4 Simultaneous radionuclide identification . 26
6.6.5 Alarm without identification . 27
7 Climatic requirements . 27
7.1 General . 27
7.2 Ambient temperature. 27
7.2.1 Requirements . 27
7.2.2 Method of test. 27
7.3 Relative humidity . 28
7.3.1 Requirements . 28
7.3.2 Method of test. 28
7.4 Dust and moisture protection . 28
7.4.1 Requirements . 28
7.4.2 Method of test – Dust . 28
7.4.3 Test method – Moisture . 28
7.5 Climatic exposure type test . 29
7.5.1 Requirements . 29
7.5.2 Method of test. 29
8 Mechanical requirements . 29
8.1 Vibration . 29
8.1.1 Requirements . 29
8.1.2 Method of test. 29
8.2 Microphonics/Impact . 30
8.2.1 Requirements . 30
8.2.2 Method of test. 30
9 Electric and electromagnetic requirements . 30
9.1 Electrostatic discharge (ESD) . 30
9.1.1 Requirements . 30
9.1.2 Method of test. 30
9.2 Radio frequency (RF) . 30
9.2.1 Requirements . 30
9.2.2 Method of test. 30
...
IEC 62484 ®
Edition 2.0 2020-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Radiation protection instrumentation – Spectrometric radiation portal monitors
(SRPMs) used for the detection and identification of illicit trafficking of
radioactive material
Instrumentation pour la radioprotection – Portiques spectrométriques de
détection des rayonnements (SRPMs) utilisés pour la détection et l'identification
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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3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
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.
IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch
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containing more than 22 000 terminological entries in English
details all new publications released. Available online and
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IEC 62484 ®
Edition 2.0 2020-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Radiation protection instrumentation – Spectrometric radiation portal monitors
(SRPMs) used for the detection and identification of illicit trafficking of
radioactive material
Instrumentation pour la radioprotection – Portiques spectrométriques de
détection des rayonnements (SRPMs) utilisés pour la détection et l'identification
du trafic illicite des matières radioactives
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.280 ISBN 978-2-8322-1016-4
– 2 – IEC 62484:2020 © 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 . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms and symbols . 10
3.3 Quantities and units . 11
4 Design requirements . 11
4.1 General . 11
4.1.1 Overview . 11
4.1.2 Pedestrian monitor . 14
4.1.3 Road vehicle monitor . 14
4.1.4 Rail vehicle monitor (includes rail transported containers) . 14
4.1.5 Package (or conveyor) monitor . 14
4.2 Physical configuration . 14
4.3 Spectral identification and count rate information . 15
4.4 Indication features . 15
4.5 Occupancy and speed sensors . 16
4.6 Markings . 16
4.7 Protection of switches . 16
4.8 Energy and count rate range . 16
4.9 Data transfer . 16
4.10 User interface . 16
4.10.1 Audible (sound) alarm . 16
4.10.2 Visual indicators . 16
4.10.3 Warning indicators . 17
4.10.4 Basic controls and functions . 17
4.10.5 Advanced indications and functions . 17
5 General test procedures . 18
5.1 General test conditions . 18
5.1.1 Nature of tests . 18
5.1.2 Standard test conditions . 18
5.1.3 Statistical fluctuations . 18
5.2 Reference neutron radiation for alarm testing. 19
5.3 Alarm categorization . 19
5.4 General requirements for testing radionuclide identification ability . 19
5.5 Functionality test . 20
5.5.1 General . 20
5.5.2 Pre-test measurements . 21
5.5.3 Intermediate (during test) measurements . 21
5.5.4 Post-test measurements . 21
6 Radiation detection requirements . 21
6.1 Stability test . 21
6.1.1 Requirements . 21
6.1.2 Method of test. 21
6.2 Neutron radiation detection, if provided . 22
6.2.1 Requirements . 22
6.2.2 Method of test. 22
6.3 Gamma over-range indication . 22
6.3.1 Requirements . 22
6.3.2 Method of test. 22
6.4 Detection of neutron radiation in a high gamma field . 23
6.4.1 Requirements . 23
6.4.2 Method of test – large road vehicle and multiple-sided rail vehicle
monitors . 23
6.4.3 Method of test – all other types of monitors . 23
6.5 Background effects . 23
6.5.1 Requirements . 23
6.5.2 Method of test. 24
6.6 Radionuclide identification . 24
6.6.1 Radionuclide library and identification categorization . 24
6.6.2 Radionuclide identification qualification . 25
6.6.3 Single radionuclide identification . 25
6.6.4 Simultaneous radionuclide identification . 26
6.6.5 Alarm without identification . 27
7 Climatic requirements . 27
7.1 General . 27
7.2 Ambient temperature. 27
7.2.1 Requirements . 27
7.2.2 Method of test. 27
7.3 Relative humidity .
...
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