BS-EN-61266-1995 IEC-61266-1994.pdf
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1、BRITISH STANDARD BS EN 61266:1995 IEC 1266:1994 Ultrasonics Hand-held probe Doppler foetal heartbeat detectors Performance requirements and methods of measurement and reporting The European Standard EN 61226:1995 has the status of a British Standard Licensed Copy: sheffieldun sheffieldun, na, Wed No
2、v 08 02:40:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61266:1995 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 October 1995 BSI 02-2000 The following
3、BSI references relate to the work on this standard: Committee reference EPL/87 Draft for comment 91/22890 DC ISBN 0 580 24579 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee EPL/87, Ultrasonics, upon which the following
4、 bodies were represented: British Dental Association British Institute of Radiology British Medical Ultrasound Society British Society for Rheumatology Department of Health Department of Trade and Industry (National Physical Laboratory) Institute of Laryngology and Otology Institute of Physical Scie
5、nces in Medicine Institution of Electrical Engineers Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 08 02:40:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61266:1995 BSI 02-2000i Contents Page Committees responsibleInside front cove
6、r National forewordii Foreword2 Text of EN 612663 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 08 02:40:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61266:1995 ii BSI 02-2000 National foreword This British Standard has been prepared by EPL/87 and is
7、the English language version of EN 61266:1995 Ultrasonics Hand-held probe Doppler foetal heartbeat detectors Performance requirements and methods of measurement and reporting, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 1226:1994, publ
8、ished by the International Electrotechnical Commission (IEC). A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity fro
9、m legal obligations. Cross-references Publication referred toCorresponding British Standard EN 60601-1:1990 (IEC 601-1:1988) BS 5724 Medical electrical equipment Part 1:1989 General requirements for safety EN 61101:1993 (IEC 1101:1991) BS EN 61101:1994 Specification for absolute calibration of hydro
10、phones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz EN 61102:1993 (IEC 1102:1991) BS EN 61102:1994 Specification for measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0.5 MHz to 15 MHz EN 61157:1994 (IEC 1157:1992) BS EN 61
11、157:1995 Requirements for the declaration of the acoustic output of medical diagnostic ultrasonic equipment EN 61161:1994 (IEC 1161:1992) BS EN 61161:1995 Specification for ultrasonic power measurement in liquids in the frequency range 0.5 MHz to 25 MHz IEC 866:1987BS 7041:1989 Specification for cha
12、racteristics and calibration of hydrophones for operation in the frequency range 0.5 MHz to 15 MHz Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 22, an inside back cover and a back cover. This standard has been updated (s
13、ee copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 08 02:40:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61266
14、April 1995 ICS 11.040.50 Descriptors: Ultrasound, Doppler detector, foetus, performance, measurement English version Ultrasonics Hand-held probe Doppler foetal heartbeat detectors Performance requirements and methods of measurement and reporting (IEC 1266:1994) Ultrasons Dtecteurs des battements de
15、coeur foetal effet Doppler avec sonde main Prescriptions de performance et mthodes de mesure et de signalement (CEI 1266:1994) Ultraschall Handgehaltene Doppler-Herzschlag-detektoren fr Ften Leistungsanforderungen sowie Me- und Angabeverfahren (IEC 1266:1994) This European Standard was approved by C
16、ENELEC on 1995-02-15. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stan
17、dards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and not
18、ified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland a
19、nd United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. EN 61266:19
20、95 E Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 08 02:40:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61266:1995 BSI 02-2000 2 Foreword The text of document 87(CO)34, future edition 1 of IEC 1266, prepared by IEC TC 87, Ultrasonics, was submitted to the IEC-CENELEC parallel vote and was
21、 approved by CENELEC as EN 61266 on 1995-02-15. The following dates were fixed: For products which have complied with the relevant national standard before 1996-02-15, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 2001-02-1
22、5. Annexes designated “normative” are part of the body of the standard. Annexes designated “informative” are given for information only. In this standard, Annex ZA is normative and Annex A, Annex B, Annex C, Annex D and Annex E are informative. Annex ZA has been added by CENELEC. Contents Page Forew
23、ord2 Introduction3 1Scope3 2Normative references3 3Definitions4 4List of symbols5 5Configuration5 6Performance5 6.1Acoustic working frequency5 7Safety5 8Tests5 8.1Acoustic working frequency5 8.2Output power6 8.3Spatial-peak temporal-peak acoustic pressure6 8.4Effective area of the ultrasonic transdu
24、cer active element6 8.5Overall sensitivity6 Page 9Preferred method for reporting performance of existing equipment8 10Specifications for labelling9 11Sampling9 Annex A (informative) Choice of target and determination of target plane-wave reflection loss12 Annex B (informative) Typical test equipment
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