1、 IEC TR 61948-1 Edition 2.0 2016-03 TECHNICAL REPORT Nuclear medicine instrumentation Routine tests Part 1:Gamma radiation counting system IEC TR 61948-1:2016-03(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of
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10、ssistance,please contact the Customer Service Centre:csciec.ch.IEC TR 61948-1 Edition 2.0 2016-03 TECHNICAL REPORT Nuclear medicine instrumentation Routine tests Part 1:Gamma radiation counting system INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 11.040.50 ISBN 978-2-8322-3240-8 Registered trademark
11、 of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC TR 61948-1:2016 IEC 2016 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 4 Test methods.6 4.1 General.6 4.2 Background check.6
12、4.3 ENERGY CALIBRATION.7 4.4 ENERGY CALIBRATION linearity.7 4.5 Constancy of sensitivity.7 4.6 Constancy of ENERGY RESOLUTION.7 4.7 Counting precision.7 5 Frequency of ROUTINE TESTS.8 Annex A(informative)Index of defined terms.9 Table 1 Frequency of ROUTINE TESTS.8 IEC TR 61948-1:2016 IEC 2016 3 INT
13、ERNATIONAL ELECTROTECHNICAL COMMISSION _ NUCLEAR MEDICINE INSTRUMENTATION ROUTINE TESTS Part 1:Gamma radiation counting system FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National
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