ISO INTERNATIONAL STANDARD 20615 First edition 2018-10 Fibre ropes Electrostatic surface potential measuring method Cordages en fibres - Méthode de mesurage du potentiel électrostatique de surface Reference number IEC IS0 20615:2018(E) s @IS02018 IS0 20615:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 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 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. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 20615:2018(E) Contents Page Foreword .iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Principle ..1 5 Test atmosphere. ..1 6 Apparatus ..2 7 Preparation of specimens. .4 7.1 Specimen diameter. ..4 7.2 Cutting. .4 7.3 Splicing rope specimen .4 7.4 Conditioning of specimen ..5 8 Testing procedure .5 8.1 Rope specimen setting .5 8.2 Measurement of surface potential generated by tribocharging ..5 9 Test report. ..6 Annex A (normative) Verification procedure and correction factor .7 Annex B (informative) Example of test results ..10 Annex C (informative) Information on the effect of parameters ..12 Annex D (informative) Interlaboratory test ..14 Bibliography .17 @ IS0 2018 - All rights reserved ii