IEC 62484-2010 Radiation protection instrumentation - Spectroscopy-based portal monitors used for the detection and identification of illicit trafficking of rad.pdf

1、 IEC 62484 Edition 1.0 2010-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Radiation protection instrumentation Spectroscopy-based portal monitors used for the detection and identification of illicit trafficking of radioactive material Instrumentation pour la radioprotection Moniteurs spectroscopiqu

2、es pour portiques daccs utiliss pour la dtection et lidentification du trafic illicite des matires radioactives IEC 62484:2010 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduce

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17、ction instrumentation Spectroscopy-based portal monitors used for the detection and identification of illicit trafficking of radioactive material Instrumentation pour la radioprotection Moniteurs spectroscopiques pour portiques daccs utiliss pour la dtection et lidentification du trafic illicite des

18、 matires radioactives INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE W ICS 13.280 PRICE CODE CODE PRIX ISBN 978-2-88910-914-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 62

19、484 IEC:2010 CONTENTS FOREWORD.5 1 Scope and object7 2 Normative references .7 3 Terms and definitions, abbreviations, quantities and units 8 3.1 Terms and definitions 8 3.2 Abbreviations 10 3.3 Quantities and units 11 4 Design requirements 12 4.1 General requirements12 4.1.1 Pedestrian monitor 12 4

20、1.2 Vehicle monitor13 4.1.3 Rail vehicle monitor (includes rail transported containers) .13 4.1.4 Package (or conveyor) monitor 13 4.2 Physical configuration .14 4.3 Spectral identification and count rate information 14 4.4 Indication features.15 4.5 Occupancy and speed sensors for vehicle monitors

21、 15 4.6 Markings .15 4.7 Power supply.15 4.7.1 Requirements 15 4.7.2 Method of test .16 4.8 Protection of switches .16 4.9 Energy and count rate range .16 4.10 Communications protocol and data format.16 4.11 User interface16 4.11.1 Guidance regarding alarm logic .16 4.11.2 Audible (sound) alarm .17

22、4.11.3 Visual indicators 17 4.11.4 Warning indicators.17 4.11.5 Basic indications and functions17 4.11.6 Advanced indications and functions.18 5 Radiation detection and indication performance requirements 18 5.1 General test conditions18 5.1.1 Nature of tests.18 5.1.2 Reference conditions and standa

23、rd test conditions 18 5.1.3 Statistical fluctuations18 5.2 Reference radiation.19 5.3 Alarm categorization19 5.4 False alarms .19 5.4.1 Requirements 19 5.4.2 Method of test .19 5.5 Response to gamma radiation .19 5.5.1 Requirements 19 5.5.2 Method of test .19 5.6 Radiation intensity and identificati

24、on alarm20 5.6.1 Requirements 20 62484 IEC:2010 3 5.6.2 Method of test .20 5.7 Response to neutron radiation.20 5.7.1 Requirements 20 5.7.2 Method of test .20 5.8 Over-range20 5.8.1 Requirements 20 5.8.2 Method of test .21 5.9 Neutron indication in the presence of photons .21 5.9.1 Requirements 21 5

25、9.2 Method of test .21 5.10 Background effects21 5.10.1 Requirements 21 5.10.2 Method of test .21 5.11 Radionuclide identification.22 5.11.1 Radionuclide categorization.22 5.11.2 Radionuclide identification qualification .22 5.11.3 General requirements for testing radionuclide identification abilit

26、y.22 5.11.4 Single radionuclide identification .23 5.11.5 Identification of shielded radionuclides 24 5.11.6 Simultaneous radionuclide identification and masking25 5.11.7 Over-range characteristics for identification.26 5.11.8 Pile-up effects .26 5.11.9 Radionuclide not in library .27 5.12 Environme

27、ntal tests.27 5.12.1 Ambient temperature .27 5.12.2 Humidity tests28 5.12.3 Dust and moisture resistance tests 28 5.13 Mechanical requirements.29 5.13.1 Vibration29 5.13.2 Microphonics/Impact30 5.14 Electromagnetic performance requirements.30 5.14.1 Electrostatic discharge (ESD)30 5.14.2 Radio frequ

28、ency 30 5.14.3 Radiated RF emissions 31 5.14.4 Conducted disturbances.31 5.14.5 Magnetic fields 31 5.14.6 Surges and oscillatory waves 32 6 Documentation .32 6.1 Type test report.32 6.2 Certificate .32 6.3 Operation and maintenance manuals.32 Annex A (informative) Identification of uranium isotopes

29、36 Bibliography37 Figure 1 Diagram of mounting dimensions for radionuclide identifying portal monitors 9 Table 1 Speed of moving sources 33 Table 2 Evaluation distances for different applications.33 4 62484 IEC:2010 Table 3 Reference and standard test conditions.34 Table 4 Approximate activity value

30、s for gamma-ray and neutron sources.34 Table 5 Example of alarm categorizations35 Table 6 Emission limits 35 Table A.1 Uranium detection and identification guidance .36 62484 IEC:2010 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RADIATION PROTECTION INSTRUMENTATION SPECTROSCOPY-BASED PORTAL MONITOR

31、S USED FOR THE DETECTION AND IDENTIFICATION OF ILLICIT TRAFFICKING OF RADIOACTIVE MATERIAL FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC

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41、sable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62484 has

42、 been prepared by subcommittee 45B: Radiation protection instrumentation, of IEC technical committee 45: Nuclear instrumentation. The text of this standard is based on the following documents: FDIS Report on voting 45B/634/FDIS 45B/644/RVD Full information on the voting for the approval of this stan

43、dard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 6 62484 IEC:2010 The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on th

44、e IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 62484 IEC:2010 7 RADIATION PROTECTION INSTRUMENTATION SPECTROSCOPY-BASED PORTAL MONITORS USED FOR THE

45、 DETECTION AND IDENTIFICATION OF ILLICIT TRAFFICKING OF RADIOACTIVE MATERIAL 1 Scope and object This International Standard specifies the operational and performance requirements for spectroscopy-based portal monitors used for the detection and identification of illicit trafficking of radioactive ma

46、terial. Spectroscopy-based portal monitors have the ability to detect gamma and neutron radiation and identify gamma-emitting radionuclides that may be present in or on persons, vehicles, containers, or packages in a static or transient mode of operation. Operational requirements established by this

47、 standard include radiation detection and gamma-emitting radionuclide identification, and those requirements associated with the expected electrical, mechanical, and environmental conditions when a portal monitor is deployed. The object of this standard is to establish performance requirements and t

48、o give examples of acceptable test methods, and to specify general characteristics, general test conditions, radiation characteristics, electrical safety, and environmental characteristics to determine if a portal monitor meets the requirements of this standard. Special applications, which may inclu

49、de a monitors operation under weather conditions or for detection needs not addressed by this standard, shall require additional testing. Obtaining operating performance that meets or exceeds the specifications as stated in this standard depends upon properly installing the monitor, establishing appropriate operating parameters, providing security for the monitor, maintaining calibration, implementing