BS-EN-60793-1-22-2002.pdf
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1、BRITISH STANDARD BS EN 60793-1-22: 2002 Optical fibres Part 1-22: Measurement methods and test procedures Length measurement The European Standard EN 60793-1-22:2002 has the status of a British Standard ICS 33.180.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Cop
2、y: sheffieldun sheffieldun, na, Mon Nov 13 02:43:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60793-1-22:2002 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy
3、 and Strategy Committee on 6 June 2002 BSI 6 June 2002 ISBN 0 580 39767 X National foreword This British Standard is the official English language version of EN 60793-1-22:2002. It is identical with IEC 60793-1-22:2001. It partly supersedes BS EN 188000:1994 which will be withdrawn upon completion o
4、f the full BS EN 60793-1 series. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on reques
5、t to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both s
6、ystems. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standar
7、ds Electronic Catalogue. 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 from legal obligations. aid enquirers to
8、 understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document co
9、mprises a front cover, an inside front cover, the EN title page, pages 2 to 31, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon N
10、ov 13 02:43:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60793-1-22 NORME EUROPENNE EUROPISCHE NORMMarch 2002 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central
11、Secretariat: rue de Stassart 35, B - 1050 Brussels 2002 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60793-1-22:2002 E ICS 33.180.10Partly supersedes EN 188000:1992 English version Optical fibres Part 1-22: Measurement methods a
12、nd test procedures Length measurement (IEC 60793-1-22:2001) Fibres optiques Partie 1-22: Mthodes de mesure et procdures dessai Mesure de la longueur (CEI 60793-1-22:2001) Lichtwellenleiter Teil 1-22: Messmethoden und Prfverfahren Lngenmessung (IEC 60793-1-22:2001) This European Standard was approved
13、 by CENELEC on 2002-03-05. 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
14、 standards 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 an
15、d notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,
16、Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:43:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 86A/687/FDIS, future edition 1 of IEC 60793-1-22, prepared by SC 86A, Fibres and cables, of IEC TC 86, Fibre optics,
17、 was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60793-1-22 on 2002-03-05. This European Standard supersedes subclause 2.10 (test method 105), subclause 2.11 (test method 106) and subclause 4.7 (test method 303) of EN 188000:1992. The following dates were fixed: late
18、st date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop)2002-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 2005-03-01 Annexes designated “normative“ are part of the bo
19、dy of the standard. In this standard, annexes A, B, C, D, E and ZA are normative. Annex ZA has been added by CENELEC. Compared to IEC 60793-1:1989 and IEC 60793-2:1992, IEC/SC 86A has adopted a revised structure of the new IEC 60793 series: The individual measurement methods and test procedures for
20、optical fibres are published as “Part 1-XX“; the product standards are published as “Part 2-XX“. The general relationship between the new series of EN 60793 and the superseded European Standards of the EN 188000 series is as follows: ENTitlesupersedes EN 60793-1-XXOptical fibres - Part 1-XX: Measure
21、ment methods and test procedures Individual subclauses of EN 188000:1992 EN 60793-2-XXOptical fibres - Part 2-XX: Product specifications EN 188100:1995 EN 188101:1995 EN 188102:1995 EN 188200:1995 EN 188201:1995 EN 188202:1995 EN 60793-1-2X consists of the following parts, under the general title: O
22、ptical fibres: - Part 1-20: Measurement methods and test procedures Fibre geometry - Part 1-21: Measurement methods and test procedures Coating geometry - Part 1-22: Measurement methods and test procedures Length measurement _ Endorsement notice The text of the International Standard IEC 60793-1-22:
23、2001 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 60793122:2002 2002 enuJ 5 ISB BSI 6 June 2002 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 02:43:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 60793-1-22 IEC:2001 3 CONTENTS INTRODUCTION.5 1Scope.6 2N
24、ormative references6 3Overview of method6 3.1Method A Delay measuring .7 3.2Method B Backscattering 7 3.3Method C Fibre elongation 7 3.4Method D Mechanical length .7 3.5Method E Phase shift7 3.6Reference test method.7 4Apparatus.7 5Sampling and specimens 8 6Procedure.8 7Calculations8 8Results.8 9Spe
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