BS-EN-61300-2-21-1997 IEC-61300-2-21-1995.pdf
《BS-EN-61300-2-21-1997 IEC-61300-2-21-1995.pdf》由会员分享,可在线阅读,更多相关《BS-EN-61300-2-21-1997 IEC-61300-2-21-1995.pdf(10页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 61300-2-21: 1997 IEC 61300-2-21: 1995 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2.21: Tests Composite temperature-humidity cyclic test The European Standard EN 61300-2-21:1997 has the status of a British Standard ICS
2、33.180.20 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61300-2-21:1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board an
3、d comes into effect on 15 October 1997 BSI 09-1999 ISBN 0 580 28534 0 National foreword This British Standard is the English language version of EN 61300-2-21:1997. It is identical with IEC 61300-2-21:1995. The UK participation in its preparation was entrusted by Technical Committee EPL/86, Fibre op
4、tics, to Subcommittee EPL/86/2, Interconnecting devices and passive components, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests i
5、nformed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance,
6、 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 systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lis
7、ts normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Inde
8、x”, or by using the “Find” facility of the BSI Standards 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 co
9、nfer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 4 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated
10、in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61300-2-21:1997 BSI 09-1999i Contents Page National forewordInside front cover F
11、oreword2 Text of EN 61300-2-213 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE
12、NORM EN 61300-2-21 August 1997 ICS 33.180.20 English version Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-21: Tests Composite temperature-humidity cyclic test (IEC 61300-2-21:1995) Dispositifs dinterconnexion et composants passifs fibres opt
13、iques Mthodes fondamentales dessais et de mesures Partie 2-21: Essais Essai cyclique composite de temprature et dhumidit (CEI 61300-2-21:1995) Lichtwellenleiter Verbindungselemente und passive Bauteile Grundlegende Prf- und Meverfahren Teil 2-21: Prfungen: Temperatur/Feuchte, zyklisch (IEC 61300-2-2
14、1:1995) This European Standard was approved by CENELEC on 1997-07-01. 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 bibliogr
15、aphical references concerning such national 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 o
16、f a CENELEC member into its own language and notified 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
17、, Norway, Portugal, Spain, Sweden, Switzerland and 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 1997 CENELEC Al
18、l rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61300-2-21:1997 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61300-2-21:1997 BSI 09-1999 2 Foreword The text of the Internation
19、al Standard IEC 61300-2-21:1995, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86, Fibre optics, was submitted to the formal vote and was approved by CENELEC as EN 61300-2-21 on 1997-07-01 without any modification. The following dates were fixed: Annexes d
20、esignated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 61300-2-21:1995 was approved by CENELEC as a European Standard without any modification. Contents Pag
21、e Foreword2 1General3 1.1Scope and object3 1.2General description3 1.3Normative reference3 2Apparatus3 3Procedure3 4Severity3 5Details to be specified3 Annex ZA (normative) Normative references to international publications with their corresponding European publications4 latest date by which the EN
22、has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 1998-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1998-06-01 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:36:29 GMT+00:0
23、0 2006, Uncontrolled Copy, (c) BSI EN 61300-2-21:1997 BSI 09-19993 1 General 1.1 Scope and object The purpose of this part of IEC 1300 is to determine in an accelerated manner the resistance of a fibre optic device to the deteriorative effects of high temperature, humidity and cold conditions. It is
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS-EN-61300-2-21-1997 IEC-61300-2-21-1995 BS EN 61300 21 1997 IEC 1995
链接地址:https://www.31doc.com/p-3745264.html