1、ICS 13.340.20Persnlicher Augenschutz Infrarotschutzfilter Transmissions-anforderungen und empfohlene VerwendungRef. No. DIN EN 171 : 2002-08English price group 10 Sales No. 111001.03DEUTSCHE NORM August 2002EN 171EN comprises 10 pages. No part of this standard may be reproduced without the prior per
2、mission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Personal eye-protection Infrared filtersTransmittance requirements and recommended useEnglish version of DIN EN 171European Standard E
3、N 171 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 85 Eye-protective equipment (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Feinmechanik undOptik (Opti
4、cs and Precision Mechanics Standards Committee).AmendmentsThis standard differs from the December 1992 edition in that requirements for enhanced colour recognitionand signal light recognition have been specified.Previous editionsDIN 4647-3: 1960-11, 1968-11, 1972-09, 1977-02; DIN EN 171: 1992-12.Sup
5、ersedesDecember 1992 edition.English versionICS 13.340.20Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungPersonal eye-protection Infrared filtersTransmittance requirements and recommended use 2002
6、. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 171 : 2002 EProtection individuelle de loeil Filtres pour linfrarouge Exigencesrelatives au facteur de transmissionet utilisation recommandePersnlicher Augenschutz Infrarotschutzfilte
7、r Trans-missionsanforderungen undempfohlene VerwendungThis European Standard was approved by CEN on 2002-01-20.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any altera
8、tion.Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation und
9、er the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxemb
10、ourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden,Switzerland, and the United Kingdom.|March 2002EN 171Supersedes EN 171 : 1992.Page 2EN 171 : 2002233333344555677778810Page 3EN 171 : 2002Page 4EN 171 : 2002Page 5EN 171 : 2002Page 6EN 171 : 2002Page 7EN 171 : 2002Page 8EN 171 : 2002Page 9EN 171 : 2002Page 10EN 171 : 2002
