IEC-61676-2002.pdf
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1、INTERNATIONAL STANDARD IEC 61676 First edition 2002-09 Medical electrical equipment Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology Appareils lectromdicaux Instruments de dosimtrie pour la mesure non invasive de la tension du tube radiogne dans
2、la radiologie de diagnostic Reference number IEC 61676:2002(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 03:30:50 MSTNo reproduction or networking permitted without license
3、 from IHS -,-,- Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example, editio
4、n numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2. Further information on IEC publications The technical content of IEC publications is kept under constant review by the IE
5、C, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available in the IEC Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. Information on the subjects under consideration and w
6、ork in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (http:/www.iec.ch/searchpub/c
7、ur_fut.htm) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published This summary of rece
8、ntly issued publications (http:/www.iec.ch/online_news/ justpub/jp_entry.htm) is also available by email. Please contact the Customer Service Centre (see below) for further information. Customer Service Centre If you have any questions regarding this publication or need further assistance, please co
9、ntact the Customer Service Centre: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 03:30:50 MSTNo reproduction o
10、r networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IEC 61676 First edition 2002-09 Medical electrical equipment Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology Appareils lectromdicaux Instruments de dosimtrie pour la me
11、sure non invasive de la tension du tube radiogne dans la radiologie de diagnostic IEC 2002 Copyright - all rights reserved No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writ
12、ing from the publisher. International Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch V For price, see current catalogue PRICE CODE Commission Electrotechnique Interna
13、tionale International Electrotechnical Commission Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 03:30:50 MSTNo reproduction or networking permitted without license from IHS -,-
14、,- 2 61676 IEC:2002(E) CONTENTS FOREWORD 3 INTRODUCTION 5 1Scope and object. 6 2Normative references. 6 3Terminology and definitions . 7 4General performance requirements for measurement of PRACTICAL PEAK VOLTAGE measurements 10 4.1Quantity to be measured10 4.2Limits of PERFORMANCE CHARACTERISTICs .
15、10 4.3LIMITS OF VARIATION for effects of INFLUENCE QUANTITIES.13 4.4Performance test procedures.15 5Special instrumental requirements and marking21 5.1Requirements for the complete instruments .21 5.2General .21 5.3Display 22 5.4Range of measurement22 5.5Connectors and cables 22 6ACCOMPANYING DOCUME
16、NTS.22 6.1General .22 6.2Information provided22 6.3Instrument description .22 6.4Detector.22 6.5Delay time .22 6.6Measurement window 22 6.7Data outlet.23 6.8Transport and storage .23 Annex A (informative) Recommended performance criteria for the invasive divider 24 Annex B (informative) Additional i
17、nformation on PRACTICAL PEAK VOLTAGE25 Annex C (informative) Glossary of defined terms32 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 03:30:50 MSTNo reproduction or networking
18、 permitted without license from IHS -,-,- 61676 IEC:2002(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION MEDICAL ELECTRICAL EQUIPMENT Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology FOREWORD 1)The IEC (International Electrotechnical Commission) i
19、s a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in additio
20、n to other activities, the IEC publishes International Standards. Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising
21、with the IEC also participate in this preparation. The 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 the IEC on technical matters expr
22、ess, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees. 3)The documents produced have the form of recommendations for international use and are published in the form of stand
23、ards, technical specifications, technical reports or guides and they are accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their n
24、ational and regional standards. Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be
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