ISO INTERNATIONAL STANDARD 20957-1 Secondedition 2013-09-15 Stationary training equipment - Part 1: General safety requirements and test methods Equipement d'entrainement fixe - Partie 1: Exigences générales de sécurité et méthodes d'essai Reference number IS0 20957-1:2013(E) LSO @ IS0 2013 ed without license from IHS Not for Resale IS0 20957-1:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 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 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 @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 20957-1:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 Classification 4.1 General .4 4.2 Accuracy classes. ..4 4.3 Usage classes .4 5 Safety requirements .5 5.1 .5 General 5.2 Stability of equipment .5 5.3 External construction ..5 5.4 Entrapment of the user .6 5.5 Adjustment components and locking mechanisms .6 5.6 Ropes,belts,chainsandattachmentcomponents .6 5.7 Pull-in points 1 5.8 Hand grips. .7 5.9 Endurance test .7 5.10 Isometrictestrequirements. 5.11 Heart rate measurement system .8 5.12 Heart rate control mode. 5.13 Electrical safety ..8 5.14 Loading. 5.15 Care and maintenance ..9 5.16 Assembly instructions .9 5.17 General instructions for use .10 5.18 Marking .10 6 Test methods. .11 6.1 Test conditions .11 6.2 Stability test. .11 6.3 External construction .11 6.4 Testing of entrapment .12 6.5 Adjustment components and locking mechanisms. ..12 6.6 Tensile test for ropes, belts, chains and attachment components .12 6.7 Testing of rope and belt guides .12 6.8 Testing of flywheels . .12 6.9 Testing of integral handgrips. .13 6.10 Determination of the removing force of applied handgrips ..13 6.11 Testing of rotating handgrips. .13 6.12 Testing of endurance load. .13 6.13 Testing of isometric equipment .13 6.14 Testing of the heart rate measurement system ..14 6.15 Testing of the heart rate control mode. .14 6.16 Testing of intrinsic loading .14 6.17 Testing of extrinsic loading .14 6.18 Testing of care and maintenance, assembly instructions, general instructions for use and marking ..14 6.19 Test report. .14 Bibliography ..16 iii vided by IHS under lice ed without license from IHS Not for Resale