1、 IEC 62363 Edition 1.0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Radiation protection instrumentation Portable photon contamination meters and monitors Instrumentation pour la radioprotection Appareils portables de mesure et de surveillance de la contamination par des photons IEC 62363:200
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16、ez le FAQ du Service clients ou contactez-nous: Email: 11Hcsciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 62363 Edition 1.0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Radiation protection instrumentation Portable photon contamination meters and monitors Instrumentation pour la rad
17、ioprotection Appareils portables de mesure et de surveillance de la contamination par des photons INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE V ICS 13.280 PRICE CODE CODE PRIX ISBN 2-8318-9733-5 2 62363 IEC:2008 CONTENTS FOREWORD. 0H5 1 Scope and object 1H7 2
18、 Normative references . 2H7 3 Terms and definitions . 3H8 4 Units 4H12 5 General characteristics. 5H12 5.1 Classification. 6H12 5.2 Detection assemblies 7H12 5.3 Ease of decontamination . 8H12 5.4 Sealing 9H13 5.5 Alarm threshold. 10H13 5.6 Pulse height thresholds . 11H13 5.7 Measurement assembly in
19、dications . 12H13 5.7.1 Meter display. 13H13 5.7.2 Audible indication 14H14 5.7.3 Additional indication 15H14 5.7.4 Monitors 16H14 5.8 Effective range of measurement 17H14 5.9 Mechanical shocks 18H14 5.10 Setting up and maintenance facilities for electronic equipment 19H14 6 General test procedures
20、. 20H15 6.1 Nature of tests. 21H15 6.2 Test conditions 22H15 6.2.1 Reference and standard test conditions. 23H15 6.2.2 Tests performed under standard test conditions 24H15 6.2.3 Tests performed with variation of influence quantities 25H15 6.3 Reference radionuclides 26H15 6.4 Background. 27H15 6.5 S
21、tatistical fluctuations . 28H16 6.6 Test source . 29H16 7 Electrical characteristics. 30H16 7.1 Statistical fluctuations . 31H16 7.1.1 Requirements 32H16 7.1.2 Method of test . 33H16 7.2 Response time 34H17 7.2.1 Requirements 35H17 7.2.2 Method of test . 36H17 7.3 Interrelationship between response
22、time and statistical fluctuations 37H17 7.4 Warm-up time test . 38H18 7.4.1 Requirements 39H18 7.4.2 Method of test . 40H18 7.5 Overload protection. 41H18 7.5.1 Requirements 42H18 7.5.2 Method of test . 43H18 7.6 Power supplies battery operation 44H18 62363 IEC:2008 3 7.6.1 General . 45H18 7.6.2 Req
23、uirements primary batteries (non-rechargeable) . 46H18 7.6.3 Requirements secondary batteries (rechargeable) 47H19 7.6.4 Method of test . 48H19 8 Radiation characteristics 49H20 8.1 General . 50H20 8.2 Detector profile 51H20 8.2.1 Requirements 52H20 8.2.2 Method of test . 53H20 8.3 Surface emission
24、rate response 54H20 8.3.1 General . 55H20 8.3.2 Type test . 56H20 8.3.3 Method of test . 57H21 8.3.4 Routine test. 58H22 8.4 Relative intrinsic error . 59H22 8.4.1 Requirements 60H22 8.4.2 Method of test . 61H22 8.5 Variation of surface emission rate response with photon radiation energy . 62H22 8.5
25、.1 Requirements 63H22 8.5.2 Method of test . 64H23 8.6 Variation of response with absorption 65H23 8.6.1 Requirement 66H23 8.6.2 Method of test . 67H24 8.7 Response to beta radiation 68H24 8.7.1 Requirement 69H24 8.7.2 Method of test . 70H24 8.8 Response to background photon radiation. 71H24 8.8.1 R
26、equirement 72H24 8.8.2 Method of test . 73H25 8.9 Neutrons . 74H25 8.10 Detection limit (minimum detectable surface emission rate per unit area) 75H25 8.10.1 Requirement 76H25 8.10.2 Method of test . 77H25 9 Environmental characteristics. 78H25 9.1 Ambient temperature. 79H25 9.1.1 Requirements 80H25
27、 9.1.2 Methods of test 81H26 9.2 Relative humidity. 82H26 9.2.1 Requirements 83H26 9.2.2 Method of test . 84H26 9.3 Electromagnetic compatibility 85H26 10 Storage 86H27 10.1 General . 87H27 10.2 Mechanical shock 88H27 11 Documentation . 89H27 11.1 Identification certificate . 90H27 11.2 Operation an
28、d maintenance manual 91H27 4 62363 IEC:2008 Annex A (informative) Limit distances for typical detector volumes 92H31 Figure 1 Detector profile 93H29 Figure 2 Contiguous portions area for testing. 94H30 Table 1 Reference conditions and standard test conditions 95H28 Table 2 Test performed under stand
29、ard test conditions 96H28 Table 3 Test performed with variation of influence quantities . 97H29 Table A.1 Limit distance for various detector volumes and window types . 98H31 62363 IEC:2008 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RADIATION PROTECTION INSTRUMENTATION PORTABLE PHOTON CONTAMINATI
30、ON METERS AND MONITORS 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 is to promote international co-operation on all questions concerning
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39、8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable 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 ri
40、ghts. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62363 has been prepared by subcommittee 45B: Radiation protection instrumentation, of IEC technical committee 45: Nuclear instrumentation. This standard should be regarded as a complemen
41、tary standard to IEC 60325, which is applicable to alpha and beta contamination monitoring assemblies. The text of this standard is based on the following documents: FDIS Report on voting 45B/579/FDIS 45B/590/RVD Full information on the voting for the approval of this standard can be found in the re
42、port on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 6 62363 IEC:2008 The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site und
43、er “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. 62363 IEC:2008 7 RADIATION PROTECTION INSTRUMENTATION PORTABLE PHOTON CONTAMINATION METERS AND MONITORS 1 Scope and obj
44、ect This International Standard is applicable to portable and transportable contamination meters and monitors designed for the direct measurement or the direct detection of surface contamination by photon radiation emitting radionuclides and which comprise at least: a detection assembly (comprising
45、counter tube, scintillation detector or semiconductor detector, etc.), which may be connected either rigidly or by means of a flexible cable or incorporated into a single assembly; a measurement assembly. The standard is applicable to: photon surface contamination meters; photon surface contaminatio
46、n monitors. The standard is applicable to detection assemblies that are designed to measure photon contamination from radionuclides which emit photons with energy in excess of 5 keV. In particular, this standard should be used to assess the performance of assemblies used to demonstrate that material
47、 is free from surface contamination by photon emitting radionuclides. This standard is also applicable to special purpose assemblies and to assemblies specifically designed to provide limited spectroscopic information to the user. NOTE These detection assemblies may be used to measure photon emissio
48、ns from radionuclides that also emit alpha and beta radiations, where the alpha and beta emissions may be shielded due to the nature of the contamination. If shielding of the radioactive emissions occurs, then strictly speaking, the contamination is near to rather than on the surface of the article
49、being monitored. The object of this standard is to lay down standard requirements and to give examples of acceptable methods, and also to specify general characteristics, general test conditions, radiation characteristics, electrical safety, environmental characteristics, and the requirements of the identification certificate for photon contamination meters and monitors. 2 Normative references The following refe
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