ISO INTERNATIONAL STANDARD 284 Fourth edition 2012-12-01 ConveyorbeltsElectrical conductivity Specification and test method Courroiestransporteuses-Conductibiliteélectrique-Spécification et methode d'essai Reference number ISO 284:2012(E) ISO ISO2012 ISO284:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved ISO284:2012(E) Contents Page Foreword iv 1 Scope 2 Normativereferences 3 Specification 4 Testmethod 4.1 Principle. 4.2 Materialsand apparatus 4.3 Testpieces... 4.4 Atmospherefor conditioningand testing 4.5 Procedure.... 4.6 Expressionofresults. 4.7 AnnexA(informative)Variationof electrical resistancewithtemperatureandhumidity. Bibliography 6 snanalirightsreserved ili