ISO INTERNATIONAL STANDARD 9869-3 First edition 2023-11 Thermal insulation of building elements In-situ measurement of thermal resistance and thermal transmittance - Part 3: Probe insertion method Isolation thermique des éléments de construction - Mesurage in situ de la resistance thermique et du coefficient de transmission thermique- Partie 3: Méthode par insertion d'une sonde Reference number ISO 9869-3:2023(E) os1 IS02023 IS0 9869-3:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or ISo's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2023 - All rights reserved