IEC 63121:2020

Radiation protection instrumentation - Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials

IEC 63121:2020

Name:IEC 63121:2020   Standard name:Radiation protection instrumentation - Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials
Standard number:IEC 63121:2020   language:English language
Release Date:19-Jan-2020   technical committee:SC 45B - Radiation protection instrumentation
Drafting committee:WG 15 - TC 45/SC 45B/WG 15   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

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




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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.
...

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