1、BRITISH STANDARD AEROSPACE SERIES Elements of electrical and optical connection Test methods Part 604: Optical elements - Cleaning capability of optical face The European Standard EN 2591-604:2001 has the status ofa British Standard ICs 49.060 BS EN 25 9 1 -604 1200 1 Wk present to the responsible E
2、uropean 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 subcommittee can be obtained on request to its secr
3、etary. Cr oss-r e fer enc e s 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 St
4、andards 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. Summary of
5、pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 14 December 2001 ISBN O 580 38072 6 EUROPEAN STANDARD NORME
6、 EUROPENNE EUROPISCHE NORM EN 2591-604 November 2001 ICs 49.060 English version Aerospace series - Elements of electrical and optical connection - Test methods - Part 604: Optical elements - Cleaning capability of optical face Srie arospatiale - Organes de connexion lectrique et optique - Mthodes de
7、ssais - Partie 604: Organes optiques - Aptitude au nettoyage de la face optique Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prfverfahren - Teil 604: Optische Elemente - Reinigungsfhigkeit der optischen Flche This European Standard was approved by CEN on 4 June 2001 CEN membe
8、rs are bound to comply with the CENKENELEC 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 standards may be obtained on application
9、 to the Management Centre or to any CEN 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 CEN member into its own language and notified to the Management Centre has the same st
10、atus as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STAND
11、ARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-1050 Brussels O 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2591-604:2001 E EN 2591-604:2001 (E) Foreword Th
12、is European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA) . After inquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member
13、 countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest by May 2002. Ac
14、cording to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portug
15、al, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 2591-604:2001 (E) 1 Scope This standard specifies a method of assessing the cleaning capability of the optical faces of unmated connections when they have been exposed to contaminants. It shall be used together with EN 2591-100. 2 Normative
16、 references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any o
17、f these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2591-100 EN 2591-315 EN 2591-601 Aerospace series - Elements of electrical and optical connection - Test me
18、thods - Part 100: General 1) Aerospace series - Elements of electrical and optical connection - Test methods - Part 315: Fluid resistance Aerospace series - Elements of electrical and optical connection - Test methods - Part 601 : Optical elements - Insertion loss 3 Preparation of specimens Unless i
19、ndicated in the technical specification, the following details shall be specified: - maximum value of insertion loss; - cleaning products and cleaning method; - type and length of cable/fibre; - type of fuels and lubricants selected from EN 2591-315. 4 Apparatus It shall comprise: a Light Launch Sys
20、tem (LLS) as defined in EN 2591-100; a Light Detector System (LDS) as defined in EN 2591-100; vessels appropriate to contain the contaminants and standardized cleaning agents. Method The following contaminants at ambient temperature shall be used: demineralized water; fuels; liquid lubricants; natur
21、al silica: grains of 2,5 pm to 50 pm and grains of 50 pm to 150 pm (50/50 by volume); mixture of water and silica (50/50 by volume); liquid lubricants and silica (50/50 by volume). 1) Published as AECMA Prestandard at the date of publication of this standard 3 EN 2591-604:2001 (E) 5.2 The following
22、operations shall be performed separately for each of the contaminants defined above: - measure initial insertion loss (EN 2591-601); - immerse the optical face of the connection elements in each contaminant; - clean the connection elements according to EN 2591-100; - mate the optical connection elem
23、ents. 5.3 Final measurement and requirements - EN 2591-601 - Insertion loss 4 BS EN 2591-604:2001 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level.
24、 It is incorporated by Royal Charter. Re vi si ons British Standards are updated by amendment or revision. Users of British Standards 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 g
25、rateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual
26、 updating service called 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: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Ema
27、il: orders&-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI pro
28、vides a wide range of information on national, European and international standards through its Library and its Technical Help 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
29、: +44 (0)20 8996 71 11. Fax: +44 (0)20 8996 7048. Email: infomi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details ofthese and other benefits contact Membership Administration. Tel: +44 (0)20
30、8996 7002. Fax: +44 (0)20 8996 700 1. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI p
31、ublications. BSI also holds the copyright, in the UK, ofthe publications of the international standardization 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 - electron
32、ic, photocopying, recording or otherwise -without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, ofnecessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then the prior written permission ofBSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyright&-.
