1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 2591-307:2012Aerospace series Elementsof electrical and opticalconnection Test methodsPart 307: Salt mistBS EN 2591-307:2012 BRITISH STANDARDNational forewordThis British S
2、tandard is the UK implementation of EN 2591-307:2012.It supersedes BS EN 2591-307:1998 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee ca
3、n beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 66948 4ICS 49.060; 49.090Com
4、pliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2012.Amendments issued since publicationDate Text affectedBS EN 2591-307:2012EUROPEAN STANDARD NORME EUROPENNE
5、 EUROPISCHE NORM EN 2591-307 July 2012 ICS 49.060; 49.090 Supersedes EN 2591-307:1998English Version Aerospace series - Elements of electrical and optical connection - Test methods - Part 307: Salt mist Srie arospatiale - Organes de connexion lectrique et optique - Mthodes dessais - Partie 307: Brou
6、illard salin Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prfverfahren - Teil 307: SalznebelThis European Standard was approved by CEN on 23 March 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Eu
7、ropean 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 to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versi
8、ons (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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria,
9、Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Sw
10、itzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members
11、. Ref. No. EN 2591-307:2012: EBS EN 2591-307:2012EN 2591-307:2012 (E) 2 Contents Page Foreword 3g31g3 Scope 4g32g3 Normative references 4g33g3 Preparation of specimens . 4g34g3 Apparatus . 4g35g3 Method 5g3BS EN 2591-307:2012EN 2591-307:2012 (E) 3 Foreword This document (EN 2591-307:2012) has been p
12、repared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries 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 cou
13、ntries of ASD, 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 January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013.
14、Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 2591-307:1998. According to the CEN/CENELEC Internal Regul
15、ations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, It
16、aly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2591-307:2012EN 2591-307:2012 (E) 4 1 Scope This European Standard specifies a method of assessing the effects of salt mist
17、on elements of connection. It should be used together with EN 2591-100. The test is based on EN 60068-2-11. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the editi
18、on cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General EN 2591-101, Aerospace series Elements of electrical and optical conn
19、ection Test methods Part 101: Visual examination EN 2591-205, Aerospace series Elements of electrical and optical connection Test methods Part 205: Housing (shell) electrical continuity EN 2591-408, Aerospace series Elements of electrical and optical connection Test methods Part 408: Mating and unma
20、ting forces EN 60068-2-11:1999, Environmental testing Part 2-11: Tests Test Ka: Salt mist (IEC 60068-2-11:1981) 3 Preparation of specimens 3.1 The specimens shall be prepared according to the technical specification. 3.2 Unless specified in the technical specification, the following details shall be
21、 stated: number of mating and unmating operations before test (if applicable); specimens mated or unmated (if applicable); mounting method, position and definition of specimen wiring; type of cable (if applicable); duration of the test; initial measurements (if applicable); final measurements and re
22、quirements (if applicable). 4 Apparatus 4.1 Test chamber The test chamber shall meet the requirements of EN 60068-2-11:1999, Clause 3. BS EN 2591-307:2012EN 2591-307:2012 (E) 5 4.2 Salt mist The salt solution shall meet the requirements of EN 60068-2-11:1999, Clause 4. 5 Method 5.1 Initial measureme
23、nts (if applicable) They shall be carried out as specified in the technical specification. 5.2 Procedure The specimens shall be tested in accordance with EN 60068-2-11:1999, Clause 7. 5.3 Recovery To aid in examination, specimens shall be prepared in the following manner, unless otherwise specified.
24、 Salt deposits shall be removed by a gentle wash or a dip in running water not warmer than 38 C and a light brushing, if necessary, using a soft-hairbrush or plastic-bristle brush. The specimens shall then be allowed to dry in accordance with EN 60068-2-11:1999, Clause 8. 5.4 Final measurements and
25、requirements (if applicable) The specimens shall be submitted to the following test sequence: EN 2591-101, paying particular attention to: cracking; flaking or peeling of the plating; pitting of exposed metal surfaces; EN 2591-205 (if applicable); EN 2591-408 (if applicable).This page deliberately l
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