IEC IEC60068-2-39 Edition2.02015-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Environmentaltesting- Part2-39:Tests-Testsand guidance:Combinedtemperatureortemperature andhumiditywithlowairpressuretests Essaisd'environnement- Partie2-39:Essais-Essaiset lignesdirectrices:Essaiscombinesde temperatureoudetemperatureetd'humiditeabassepressionatmospherique IEC 60068-2-39:2015-09(en-fr THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2015IEC,Geneva,Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC your local IEC member National Committee for further information. Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procedé, electronique ou mecanique, y compris la photocopie et les microfilms, sans 'accord ecrit de I'IEc ou du Comite national de IIEc du pays du demandeur. si vous avez des questions sur le copyright de I'lEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de rIEC de votre pays de residence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembe Fax: +41 22 919 03 00 CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIEC publications The technical content of IEC publications is kept under constant review by the IEc. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEc Catalogue-webstore.iec.ch/catalogue Electropedia -www.electropedia.org Thestand-aloneapplicationforconsulting theentire The world's leading online dictionary of electronic and bibliographical information on IEc International Standards, electrical terms containing more than 30 000 terms and Technical Specifications, Technical Reports andother definitions in English and French, with equivalent terms in 15 documents. Available for PC, Mac OS, Android Tablets and additional languages.Also_known as the International iPad. Electrotechnical Vocabulary (IEV) online. IECpublicationssearch-www.iec.ch/searchpub IEc Glossary -std.iec.ch/glossary The advanced search enables to find IEC publications by a More than 60 000 electrotechnical teminology entries in varietyof criteria (reference number, English and French extracted from the Terms and Definitions text,technical committee...).It also gives information on projects, replaced clauseof IECpublications issuedsince2002.Someentries and withdrawn publications. have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR IEc Just Published -webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEcCustomerServiceCentre-webstore.iec.ch/csc details all new publications released. Available online and If you wish to give us your feedback on this publication or also once a month by email. need further assistance, please contactthe Customer Service Centre: [email protected]. A propos de I'IEC La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui elabore et publie des A propos des publications IEC Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez 'édition la plus recente, un corrigendum ou amendement peut avoir éte publie. CatalogueIEC-webstore.iec.ch/catalogue Electropedia-www.electropedia.org Application autonome pour consulter tous les renseignements Le premier dictionnaire en ligne de termes electroniques et bibliographiques sur les Normes internationales, électriques. Il contient plus de 30 o0o termes et definition