IEC 61322-2020

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1、 IEC 61322 Edition 2.0 2020-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Radiation protection instrumentation Installed ambient dose equivalent rate meters, warning and monitoring assemblies for neutrons with energies from thermal to 20 MeV Instrumentation pour la radioprotection Dbitmtres dquival

2、ent de dose ambiant, ensembles dalarmes et moniteurs poste fixe pour des nergies de neutrons comprises entre lnergie thermique et 20 MeV IEC 61322:2020-01(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2020 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part o

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6、res sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de lIEC de votre pays de rsidence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varemb infoiec.ch CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC

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10、on this publication or need further assistance, please contact the Customer Service Centre: salesiec.ch. Electropedia - www.electropedia.org The worlds leading online dictionary on electrotechnology, containing more than 22 000 terminological entries in English and French, with equivalent terms in 1

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16、ectropedia.org Le premier dictionnaire dlectrotechnologie en ligne au monde, avec plus de 22 000 articles terminologiques en anglais et en franais, ainsi que les termes quivalents dans 16 langues additionnelles. Egalement appel Vocabulaire Electrotechnique International (IEV) en ligne. Glossaire IEC

17、 - std.iec.ch/glossary 67 000 entres terminologiques lectrotechniques, en anglais et en franais, extraites des articles Termes et Dfinitions des publications IEC parues depuis 2002. Plus certaines entres antrieures extraites des publications des CE 37, 77, 86 et CISPR de lIEC. IEC 61322 Edition 2.0

18、2020-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Radiation protection instrumentation Installed ambient dose equivalent rate meters, warning and monitoring assemblies for neutrons with energies from thermal to 20 MeV Instrumentation pour la radioprotection Dbitmtres dquivalent de dose ambiant, en

19、sembles dalarmes et moniteurs poste fixe pour des nergies de neutrons comprises entre lnergie thermique et 20 MeV INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 13.280; 17.240 ISBN 978-2-8322-7635-8 Registered trademark of the International Electrotechnical

20、Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61322:2020 IEC 2020 CONTENTS FOREWORD

21、. 6 1 Scope . 8 2 Normative references . 9 3 Terms and definitions, abbreviated terms and symbols, quantities and units . 10 3.1 Terms and definitions . 10 3.2 Abbreviated terms and symbols . 17 3.3 Quantities and units . 18 4 Design requirements . 18 4.1 Construction and performance . 18 4.1.1 Gene

22、ral . 18 4.1.2 Equipment configuration . 18 4.1.3 Equipment reliability . 18 4.2 Indication facilities . 19 4.3 Alarm facilities . 19 4.3.1 General . 19 4.3.2 High level alarms . 20 4.3.3 Low level alarms . 20 4.3.4 Instrument fault alarms . 20 4.4 External facilities . 20 4.5 Effective range of mea

23、surement . 20 4.5.1 General . 20 4.5.2 Requirements . 21 4.5.3 Interrelationship between response time and statistical fluctuations . 21 4.5.4 Rated range of an influence quantity. 21 4.5.5 Minimum rated range of influence quantity . 21 4.6 Ingress protection (IP) classification . 21 4.7 Assembly la

24、bels and markings . 22 4.8 Functional safety . 22 5 General test procedure . 22 5.1 Test requirements . 22 5.2 Tests performed with variation of influence quantities . 23 5.2.1 General . 23 5.2.2 Tests for influence quantities of type F . 25 5.2.3 Tests for influence quantities of type S . 25 5.3 Po

25、int of test . 25 5.4 Statistical fluctuations . 25 5.5 Radiation sources . 26 5.6 Work place neutron fields. 26 5.7 Consideration of several detectors or signals in a dose rate meter . 26 5.8 Functionality test . 27 5.8.1 General . 27 5.8.2 Pre-test (preparation) . 27 5.8.3 Post-test . 27 6 Radiatio

26、n detection requirements . 28 6.1 General . 28 6.2 Consideration of the uncertainty of the conventional true value . 28 IEC 61322:2020 IEC 2020 3 6.3 Linearity of dose rate response . 28 6.3.1 Requirements . 28 6.3.2 Tests to be performed . 28 6.3.3 Type tests . 28 6.3.4 Routine tests . 29 6.3.5 Tes

27、t method using sources . 29 6.3.6 Interpretation of the results of the test using sources . 29 6.3.7 Test procedure with variation of the calibration distance . 29 6.3.8 Interpretation of the results of the test with variation of the calibration distance . 29 6.3.9 Equivalent electrical test method

28、. 30 6.3.10 Interpretation of the equivalent electrical test result . 30 6.4 Variation of the response due to neutron energy . 30 6.4.1 General . 30 6.4.2 Requirements . 30 6.4.3 Method of test. 31 6.4.4 Interpretation of the results . 32 6.5 Variation of response with angle of incidence. 32 6.5.1 G

29、eneral . 32 6.5.2 Requirements . 32 6.5.3 Method of test. 34 6.5.4 Interpretation of the results of the test . 35 6.6 Response to other external ionizing radiations . 35 6.6.1 Alpha and beta radiations . 35 6.6.2 Photon radiation . 35 6.7 Overload characteristics . 36 6.7.1 Requirements . 36 6.7.2 Method of test. 36 6.8 Statistical fluctuations . 37 6.8.1 Requirements . 37 6.8.2 Method of test.

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