ISO INTERNATIONAL STANDARD 11092 Secondedition 2014-09-01 Textiles Physiological effects - Measurement of thermal and water- vapour resistance under steady-state conditions (sweating guarded- hotplate test) Textiles-Effets physiologiques-Mesuragede la resistance thermique et de la résistance a la vapeur d'eau en regime stationnaire (essai de la plaque chaude gardée transpirante) Reference number IS011092:2014(E) LSO CopyihtInternatinal Organization for Standardization @IS02014 t licensefromIHS Not for Resale IS0 11092:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 All rights reserved. Unless otherwise specified, 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 the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Case postale 56.CH-1211 Geneva 20 Tel. +4122 749 0111 Fax +41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS011092:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Terms and definitions 3 Symbols and units .2 4 Principle .3 5 Apparatus. .3 6 Test specimens.. 6.1 Materials ≤5 mm thick .6 6.2 Materials > 5 mm thick .6 7 Test procedure. .7 7.1 Determinationofapparatusconstants .7 7.2 Assembly oftest specimens on themeasuringunit .9 7.3 Measurementofthermal resistanceRct .9 7.4 Measurement ofwater-vapourresistance Ret 10 Precision of results ..10 8 8.1 Repeatability ..10 8.2 Reproducibility .10 9 Test report .10 AnnexA (normative) Mounting procedurefor specimens containing loosefilling materials or havinguneventhickness 12 Annex B (normative) Determination of correction terms for heating power ..13 AnnexC (informative)Guidanceontestspecimenassemblyformaterialspronetoswelling. .14 iii orStand icense from IHS Not for Resale