1、ASD STANDARD NORME ASD ASD NORM prEN 2591-307 Edition P 2 March 2010 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Supersedes edition P 1 of June 1992
2、 and will supersede EN 2591-307:1998 Descriptors: ENGLISH 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 : Brouillard salin Luft- und Raumfahrt Elektrische u
3、nd optische Verbindungselemente Prfverfahren Teil 307: Salznebel This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry
4、 It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification o
5、f the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to im
6、plement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 March 2010 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain
7、Copyright 2010 by ASD-STAN prEN 2591-307:2010 (E) 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Preparation of specimens.3 4 Apparatus .4 5 Method 4 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carr
8、ied out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 2591-307:2010 (E) 3 1 Scope This standard specifies a method of assessing the effects of salt mist on elements of connection. It shall be used toget
9、her with EN 2591-100. The test is based on EN 60068-2-11 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (incl
10、uding 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 connection Test methods Part 101: Visual examination EN 2591-205, Aerospace series Elements of el
11、ectrical 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 unmating forces EN 60068-2-11, Environmental testing Part 2-11: Tests Test Ka: Salt mist 1)3 Prep
12、aration 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 stated: number of mating and unmating operations before test (if applicable); specimens mated or unmated (if applicab
13、le); mounting method, position and definition of specimen wiring; type of cable (if applicable); duration of the test; initial measurements (if applicable); final measurements and requirements (if applicable). 1) Published by: UTE National (F) Union Technique de lElectricit http:/www.ute- prEN 2591-
14、307:2010 (E) 4 4 Apparatus 4.1 Test chamber The test chamber shall meet the requirements of EN 60068-2-11, Clause 3. 4.2 Salt mist The salt solution shall meet the requirements of EN 60068-2-11, Clause 4. 5 Method 5.1 Initial measurements (if applicable) They shall be carried out as specified in the
15、 technical specification. 5.2 Procedure The specimens shall be tested in accordance with EN 60068-2-11, Clause 7. 5.3 Recovery To aid in examination, specimens shall be prepared in the following manner, unless otherwise specified. Salt deposits shall be removed by a gentle wash or a dip in running w
16、ater 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, Clause 8. 5.4 Final measurements and 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).
