BS EN 61300-2-29-1997 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Tests Tests Low air pressure《光纤互联装置和无源部件 基本试验和测量规程 试验 低气压试验》.pdf

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1、BRITISH STANDARD BS EN 61300-2-29: 1997 IEC 61300-2-29: 1995 Fibre optic interconnecting devices and passive components Basictest and measurement procedures Part2.29: Tests Low air pressure The European Standard EN61300-2-29:1997 has the status of a British Standard ICS 33.180.20BSEN61300-2-29:1997

2、This British Standard, havingbeen prepared under thedirection of the Electrotechnical Sector Board, waspublished under the authorityof the Standards Boardand comes into effect on 15October1997 BSI 09-1999 ISBN 0 580 28578 2 National foreword This British Standard is the English language version of E

3、N61300-2-29:1997. It is identical with IEC61300-2-29:1995. The UK participation in its preparation was entrusted by Technical Committee EPL/86, Fibre optics, to Subcommittee EPL/86/2, Interconnecting devices and passive components, which has the responsibility to: aid enquirers to understand the tex

4、t; 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. A list of organizations represented on this subcommi

5、ttee can be obtained on request to its secretary. From1 January1997, all IEC publications have the number60000 added to the old number. For instance, IEC27-1 has been renumbered as IEC60027-1. For a period of time during the change over from one numbering system to the other, publications may contai

6、n identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these interna

7、tional or European publications 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 Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provision

8、s 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. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, page

9、s2 to4 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSEN61300-2-29:1997 BSI 09-1999 i Contents Page Na

10、tional foreword Inside front cover Foreword 2 Text of EN61300-2-29 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN61300-2-29 August1997 ICS33.180.20 English version Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part2-29: Tests Low air

11、pressure (IEC61300-2-29:1995) Dispositifs dinterconnexion et composants passifs fibres optiques Mthodes fondamentales dessais et de mesures Partie2-29: Essais Basse pression atmosphrique (CEI61300-2-29:1995) Lichtwellenleiter Verbindungselemente und passive Bauteile Grundlegende Prf- und Meverfahren

12、 Teil2-29: Prfungen: Niedriger Luftdruck (IEC61300-2-29:1995) This European Standard was approved by CENELEC on1997-07-01. 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

13、without any alteration. Up-to-date lists and bibliographical 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 la

14、nguage made by translation under the responsibility of 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, Gre

15、ece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat:

16、 rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN61300-2-29:1997 EEN61300-2-29:1997 BSI 09-1999 2 Foreword The text of the International Standard IEC61300-2-29:1995, prepared by SC86B, Fibre o

17、ptic interconnecting devices and passive components, of IEC TC86, Fibre optics, was submitted to the formal vote and was approved by CENELEC as EN61300-2-29 on1997-07-01 without any modification. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In

18、this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC61300-2-29:1995 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword 2 1 General 3 1.1 Scope and object 3 1.2 General desc

19、ription 3 1.3 Normative reference 3 2 Apparatus 3 3 Procedure 3 4 Severity 3 5 Details to be specified 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications 4 latest date by which the EN has to be implemented at national level by pub

20、lication 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)1998-06-01EN61300-2-29:1997 BSI 09-1999 3 1 General 1.1 Scope and object The purpose of this part of IEC1300 is to determine the

21、effect on a fibre optic device of reduced air pressure, such as might be encountered at high altitudes. 1.2 General description This procedure is conducted in accordance with IEC68-2-13, test M. The specimen is introduced into the chamber at standard atmosphere and temperature conditions. The pressu

22、re within the chamber is then reduced to the specified value and maintained for the required duration, after which the air pressure will be returned to normal. 1.3 Normative reference The following normative document contains provisions which, through reference in this text, constitute provisions of

23、 this part of IEC1300. At the time of publication, the edition indicated was valid. All normative documents are subject to revision, and parties to agreements based on this part of IEC1300 are encouraged to investigate the possibility of applying the most recent edition of the normative document ind

24、icated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC68-2-13:1983, Environmental testing Part2:Tests Test M: Low air pressure. 2 Apparatus The apparatus consists of an environmental chamber in accordance with IEC68-2-13, test M. 3 Procedure Conduct t

25、he test in accordance with IEC68-2-13, test M. 4 Severity The severity consists of the combination of the air pressure and duration. The severity shall be specified in the detail specification. The following preferred severities are non-mandatory severities which may be specified for this procedure:

26、 5 Details to be specified The following details, as applicable, shall be specified in the detail specification: Air pressure Duration Specimen optically functioning or non-functioning Specimen mated or unmated Pre-conditioning procedure Recovery procedure Initial examinations and measurements and p

27、erformance requirements Examinations and measurements during test and performance requirements Final examinations and measurements and performance requirements Deviations from test procedure Additional pass/fail criteria Duration Air pressure kPa 5min 30min 2h 4h 16h 1 2 4 8 15 25 40 55 70 84EN61300

28、-2-29:1997 4 BSI 09-1999 Annex ZA (normative) Normative references to international publications with their corresponding European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropria

29、te places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publicatio

30、n referred to applies (including amendments). NOTEWhen an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC60068-2-13 1983 Basic environmental testing procedures Part2: Tests Test M: Low air pres

31、sure HD323.2.13 S1 1987blankBS EN 61300-2-29: 1997 IEC 61300-2-29: 1995 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international lev

32、el. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be gra

33、teful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service cal

34、led PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international st

35、andards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help

36、 to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substant

37、ial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international stand

38、ardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not pre

39、clude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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