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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-604:2001 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 of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXC
2、EPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2591-604:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published unde
3、r the authority of the Standards Policy and Strategy Committee on 14 December 2001 BSI 14 December 2001 ISBN 0 580 38072 6 National foreword This British Standard is the official English language version of EN 2591-604:2001. The UK participation in its preparation was entrusted by Technical Committe
4、e ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommittee ACE /6/10, Aerospace - Fibre optic systems and equipment, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The Brit
5、ish 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 Standards Electronic Catalogue. A Britis
6、h 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 understand the text; present to
7、the responsible 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 comprises a front cover, an inside front cover, t
8、he 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. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 20
9、06, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME 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 -
10、Organes de connexion lectrique et optique - Mthodes dessais - 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
11、 Standard was approved by CEN on 4 June 2001. CEN 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 concernin
12、g such national standards may be obtained on application 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 langua
13、ge and notified to the Management Centre has the same status 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, Swit
14、zerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No
15、. EN 2591-604:2001 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2591-604:2001 (E) 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried o
16、ut 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 countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by p
17、ublication 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement thi
18、s European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Unc
19、ontrolled Copy, (c) BSI EN 2591-604:2001 (E) 3 1Scope 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. 2Normative references This European Standar
20、d 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 of these publications apply to thi
21、s European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2591-100Aerospace series Elements of electrical and optical connection Test methods Part 100: General 1) EN 2591-315Aerospace series Element
22、s of electrical and optical connection Test methods Part 315: Fluid resistance EN 2591-601Aerospace series Elements of electrical and optical connection Test methods Part 601: Optical elements Insertion loss 3Preparation of specimens Unless indicated in the technical specification, the following det
23、ails 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. 4Apparatus It shall comprise: a Light Launch System (LLS) as defined in EN 2591-100; a Light Detector System (LDS)
24、as defined in EN 2591-100; vessels appropriate to contain the contaminants and standardized cleaning agents. 5Method 5.1The following contaminants at ambient temperature shall be used: demineralized water; fuels; liquid lubricants; natural silica: grains of 2,5 m to 50 m and grains of 50 m to 150 m
25、(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 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
26、 EN 2591-604:2001 (E) 4 5.2The following 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;
27、 mate the optical connection elements. 5.3Final measurement and requirements EN 2591-601 Insertion loss Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:06:14 GMT+00:00 2006, Uncontrol
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