ISO INTERNATIONAL STANDARD 7138 Second edition 2017-11-24 Cross-country skis Determination of mass and location of balance point Skis de fond - Détermination de la masse et de I'emplacement du point d'équilibre Reference number ISO 7138:2017(E) ISO @ IS0 2017 IS0 7138:2017(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2017, Published in Switzerland 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. IsO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii @ IS0 2017 - All rights reserved IS0 7138:2017(E) Contents Page Foreword iv 1 Scope. 2 Normative references. 3 Terms and definitions. .1 4 Apparatus. 5 Sampling and conditioning 2 6 Procedure .2 7 Expression of results 8 Tolerances .3 9 Test report. 3 @ IS0 2017 - All rights reserved ii