1、 IEC/TR 62732 Edition 1.0 2012-01 TECHNICAL REPORT Three-digit code for designation of colour rendering and correlated colour temperature IEC/TR 62732:2012(E)Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproductio
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9、 the Customer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TR 62732 Edition 1.0 2012-01 TECHNICAL REPORT Three-digit
10、code for designation of colour rendering and correlated colour temperature INTERNATIONAL ELECTROTECHNICAL COMMISSION F ICS 29.140 PRICE CODE ISBN 978-2-88912-868-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an autho
11、rized distributor.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TR 62732 IEC:2012(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative refe
12、rences.6 3 Construction of the code.6 3.1 General.6 3.2 Digit x.6 3.3 Digits yy.6 3.4 Example.6 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.TR 62
13、732 IEC:2012(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ THREE-DIGIT CODE FOR DESIGNATION OF COLOUR RENDERING AND CORRELATED COLOUR TEMPERATURE FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical co
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16、rnmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Comm
