|
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
your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de
CH-1211 Geneva 20
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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
.
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
...