IEC IEC62788-1-4 Edition 1.12020-10 CONSOLIDATED VERSION INTERNATIONAL STANDARD NORME INTERNATIONALE colour nside Measurement procedures for materials used in photovoltaic modules Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, yellowness index, and UV cut-off wavelength Procédures de mesure des matériaux utilisés dans les modules photovoltaiques - Partie 1-4: Encapsulants - Mesurage du facteur de transmission optique et calcul du facteur de transmission photonique a pondération solaire, de I'indice de jaunissement et de la fréquence de coupure des Uv IEC 62788-1-4:2016-09+AMD1:2020-10 CSV(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form orbyanymeans,electronicormechanical, including photocopyingand microfilm,without permissioninwritingfrom eitherIEC orIEC's memberNational Committee inthecountry of the requester.If youhave any questions about IEC your local IEC member National Committee for further information. ni utilisée sous quelque forme que ce soit et par aucun procede, électronique ou mecanique, y compris la photocopie et les microfilms, sans I'accord écrit de I'lEc ou du Comite national de I'lEC 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 lescoordonnées ci-apres oucontactezleComiténational de l'lECdevotrepays derésidence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC International Standards for all electrical, electronic and related technologies. About IEC 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 corrigendum or an amendment might have been published. IECpublications search-webstore.iec.ch/advsearchform Electropedia -www.electropedia.org The world's leading online dictionary on electrotechnology, The advanced search enables to find IEC publications by a variety of criteria (referencenumber,text, technical containing more than 22 000 terminological entries in English committee,...). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages Also known as the International Electrotechnical Vocabulary and withdrawn publications. (IEV) online IEc Just Published -webstore.iec.ch/justpublished IEc Glossary - std.iec.ch/glossary Stay up to date on all new IEC publications. Just Published 67 000 electrotechnical terminology entries in English and details all new publications released. Available online and once a month by email. French extracted from the Terms and definitions clause of IECpublicationsissuedbetween 2002 and2015.Some IEc Customer Service Centre - webstore.iec.ch/csc entries have been collected from earlier publications of IEC If you wish to give us your feedback on this publication or TC 37, 77, 86 and CISPR. need further assistance, please contact the Customer Service Centre: [email protected] Apropos de I'IEc La Commission Electrotechnique Internationale (lEC)est la premiere organisation mondiale qui élabore et publie des Normes internationales pourtout ce quiatrait a I'électricite,a i'electronique etauxtechnologies apparentees Apropos despublicationsIEc Le contenutechnique des publications IEC est constamment revu.Veuillez vous assurer que vous possédez I'édition la plus recente, un corrigendum ou amendement peut avoir éte publie. Recherche de publications IEC - Electropedia-www.electropedia.org webstore.iec.ch/advsearchform Le premier dictionnaire d'électrotechnologie en ligne au La recherche avancee permet de trouverdes publications IEC monde, avec plus de 22 000 articles terminologiques en en utilisant differents criteres (numero de