ISO INTERNATIONAL 22868 STANDARD Third edition 2021-01 Forestry and gardening machinery - Noise test code for portable hand- held machines with internal combustion engine Engineering method (Grade 2 accuracy) Machines forestieres etmachines de jardin-Code d'essai acoustiquepourmachinesportativestenuesa lamainamoteura combustion interne-Methoded'expertise(classedeprécision2) Referencenumber IS0 22868:2021(E) ISO @ IS0 2021 IS0 22868:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 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 below or Iso's member body in the country of the requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland i IS0 2021-All rights reserved IS022868:2021(E) Contents Page Foreword .iv Introduction 1 Scope. ..1 2 Normative references ..1 3 Termsanddefinitions .2 4 Quantities to be measured and quantities to be determined .2 5 A-weightedsoundpowerleveldetermination .2 6 A-weighted emission soundpressurelevel measurementatthe operatorposition ..4 6.1 General. .4 6.2 Requirementsfor artificial surface ..4 6.3 Requirements for natural ground surface .5 7 Testing and operating conditions ..5 8 Information to be reported ..6 8.1 General ..6 8.2 A-weighted emission sound pressure level determination > 8.3 A-weighted surfaceaveragesoundpressureleveldetermination .7 8.4 .8 A-weightedsoundpowerleveldetermination 9 Declarationandverificationofnoiseemissionvalues ..9 Annex A (normative) Specific conditions for chain-saws (see Clause Z) .10 Annex B (normative) Specific conditions for brush-cutters, grass-trimmers and edgers (see Clause Z) .14 Annex C (normative) Specific conditionsfor pole-mounted powered pruners (see Clause7) ..20 AnnexD (normative)Specific conditionsforhedge-trimmers (seeClause7) .24 AnnexE (normative)Specificconditionsforgardenblowers/vacuums/knapsackmist blowers (see Clause 7) .28 AnnexF (informative)Exampleof water brakemounted onchain-sawguidebartosimulate cutting. .35 Annex G (informative) Summary of results from round robin tests 2007and 2008 on single chain-saw,brush-cutterand grass-trimmer .36 Annex H (informative) A-weighted sound power level determination and declaration accordingtothe EU Directive on noise emission in the environment by equipment foruseoutdoors,2000/14/EC .37 @ IS0 2021 -All rights reserved iii