ISO INTERNATIONAL STANDARD 19449 Firstedition 2015-12-01 Mopeds Measurement methods for gaseous exhaust emissions during inspection or maintenance Mopeds - Methode de mesure des émissions gazeuses au cours des inspections ou de la maintenance Reference number IS019449:2015(E) ISO International Organization for Standardization e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02015 vided by IHS under I No reproduction or networking permitted without license from IHS IS0 19449:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, 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. ISOcopyrightoffice 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 Internatinai br DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZAISQ 0d5 - All rights reserved Not for Resale, 2016/3/29 05:25:08 networking permited withoutlicense from IHS IS0 19449:2015(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Instrumentation ..1 5 Check, maintenance periodicity and precautions for use of instruments .2 5.1 Check before use. .2 5.2 Maintenance periodicity .2 5.3 Precautions for use. .2 6 General moped verification .2 7 Normal conditioning of moped .3 7.1 Warming up .3 7.2 Test conditions .3 8 Gaseous exhaust emissions and corrections .3 9 Measurement methods for gaseous exhaust emissions. .3 Annex A (normative) Presentation of results ..5 Annex B (informative) Examples of gaseous exhaust emissions correction method .7 Bibliography .9 iii nSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 thout license from IHS