1、BRITISH STANDARD C omrnu ni cat i o n cables - Specifications for test methods - Part 4-1: Environmental test methods - General requirements The European Standard EN 50289-4-1:2001 has the status of a British Standard ICs 33.120.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT L
2、AW BS EN 502 89-4-1 :200 1 BS EN 50289-4-1:2001 Amd. No. Date O BSI 13 November 2001 National foreword Comments This British Standard is the official English language version of The UK participation in its preparation was entrusted by Technical Committee EPU46, Cables, wires and waveguides, RF conne
3、ctors, and accessories for communication and signalling, to Subcommittee EPL1461, Communication cables, which has the responsibility to: EN 50289-4-12001. - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for cha
4、nge, 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 secretary. Cross-references The British Standards which implement international
5、 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 British Standard does not purport to include all
6、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. This British Standard, having been prepared under the direction of the Electrotechnical Sect
7、or policy and Strategy Committee, was published under the authority ofthe Standards policy and Strategy Committee on 13 November 2001 Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in t
8、his document indicates when the document was last issued. ISBN O 580 38678 3 2 EUROPEAN STANDARD EN 50289-4-1 NORME EUROPENNE EUROPISCHE NORM October 2001 ICs 33.120.10 English version Communication cables - Specifications for test methods Part 4-1 : Environmental test methods - General requirements
9、 Cbles de communication - Spcifications des mthodes dessai Partie 4-1 : Mthodes dessais denvi ron ne ment - Prescriptions gnrales Kommunikationskabel - Spezifikationen fr Prfverfahren Teil 4-1 : Umweltprfverfahren - Allgemeine Anforderungen This European Standard was approved by CENELEC on 2001-05-0
10、1. 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 without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtain
11、ed 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 language made by translation under the responsibility of a CENELEC member into its own language and notified to the Centra
12、l Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and
13、United Kingdom. CENELEC European Committee for Electrotechnicai Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels O 2001 CENELEC - All rights of exploitation in any form and by a
14、ny means reserved worldwide for CENELEC members. Ref. No. EN 50289-4-1:2001 E EN 50289-4-1 12001 -2- Foreword This European Standard was prepared by the Technical Committee CENELEC TC 46X, Communication cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN
15、50289-4-1 on 2001-05-01. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (d0P) 2002-04-0 1 - latest date by which the national standards conflicting with the EN have to be withdra
16、wn (daw) 2004-04-01 This European Standard has been prepared under the European Mandate M/212 given to CENELEC by the European Commission and the European Free Trade Association. -3- EN 50289-4-1 12001 Contents 5 6 7 Scope 4 Normative references 4 Definitions 4 Sampling . 5 4.1 Cable Under Test (CUT
17、) . 5 Tests . 5 Test conditions 5 6.2 Tolerance on temperature values . 5 Equipment calibration . 5 4.2 Pre-conditioning 5 6.1 Ambient temperature 5 7.1 Calibration . 5 Test report 5 EN 50289-4-1 12001 -4- 1 Scope The series of part 4 of the European Standard EN 50289 specifies the environmental tes
18、t methods for cables used in analogue and digital communication systems. Part 4 of EN 50289 consists of the following documents: - Part 4-1 - Part 4-2 - Part 4-3 - Part 4-4 - Part 4-5 - Part 4-6 - Part 4-7 - Part 4-8 - Part 4-9 - Part 4-10 - Part 4-1 1 - Part 4-12 - Part 4-13 - Part 4-14 - Part 4-15
19、 - Part 4-16 Environmental test methods - General requirements Environmental test methods - Water penetration Environmental test methods - Moisture permeation Environmental test methods - Resistance to solvents and contaminating fluids Environmental test methods - Climatic sequence Environmental tes
20、t methods - Temperature cycling Environmental test methods - Damp heat steady state Environmental test methods - Nuclear radiation Environmental test methods - Pneumatic resistance Environmental test methods - Ageing Environmental test methods - A horizontal integrated fire test method Environmental
21、 test methods - Acid gas evolution Environmental test methods - Smoke generation Environmental test methods - Lightning Environmental test methods - Toxic gas emission Environmental test methods - Fire resistance Further test details (e.g. temperature, duration) and/or test requirements are given in
22、 the relevant cable standard. 2 Normative 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, subs
23、equent 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 publication referred to applies (including amendments). EN 50290-1-2 ) Communication cables - Part 1
24、-2: Definitions 3 Definitions For the purposes of this European Standard, the definitions of EN 50290-1 -2 apply. ) At drafi stage. -5- EN 50289-4-1 12001 4 Sampling 4. I Cable under test (CUT) Unless otherwise specified in the relevant test method, the length of CUT shall be selected to take into a
25、ccount the dynamic range of the measuring equipment to yield the required level of accuracy. The length should be measured with an accuracy better than 1 % unless otherwise stated in the relevant cable specification. 4.2 Pre-conditioning The CUT shall be pre-conditioned at a constant ambient tempera
26、ture for such time as to allow the specimen temperature to stabilize according to 6.1. 5 Tests The tests required and performance characteristics applicable to each type of cable are given in the relevant cable standard. 6 Test conditions 6. I Ambient temperature Tests shall be made at an ambient te
27、mperature within the range 15 “C to 35 “C unless otherwise specified. 6.2 Tolerance on temperature values Unless otherwise specified in the relevant specification, the tolerance on temperature shall be 5 2 “C. 7 Equipment calibration 7. I Calibration Equipment calibration shall be considered part of
28、 the quality system. 8 Testreport The test report shall show the relevant measuring conditions including their tolerances together with the measurement results and their accuracy. BS EN 5 02 89-4- 1200 1 BSI 389 Chiswick High Road London w4 4AL CI ,“ mn- _xx_ BSI - British Standards Institution BSI
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