BS IS0 6395:2008 BRITISHSTANDARD Earth-moving machinery Determination of sound power level 一 Dynamic test conditions ICS 17.140.20; 53.100 BSi British Standards BS ISO 6395:2008 National foreword This British Standard is the UK implementation of ISO 6395:2008. It supersedes BS 6812-3:1991 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/513/1, Earth moving machinery (International). A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigenda issued since publication was published under the authority of the Standards Date Policy and Strategy Comments Committee on 31 March 2009 BSI 2009 ISBN 978 0580 674266 BS ISO 6395:2008 ISO INTERNATIONAL 6395 STANDARD Second edition 2008-03-15 Earth-moving machinery - Determination of sound power level - Dynamic test conditions EnginsdeterrassementDetermination duniveaudepuissance acoustique-Conditionsd'essaidynamique Referencenumber ISO 6395:2008(E) @ISO2008 BS ISO 6395:2008 ISO6395:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any fom or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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 ii @ ISO 2008 All rights reserved BS ISO 6395:2008 ISO6395:2008(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references 3 Terms and definitions.. 4 Instrumentation.. 5 Test environment... 5.1 General..... 5.2 Test site and environmental correction, K2A 5.3 Test site .... 5.4 5.5 Climatic conditions.. 6 Measurement of time-averaged A-weighted sound pressure levels 6.1 Size ofmeasurementsurface 6.2 Microphone positions on the hemispherical measurement surface. 6.3 Positioning the machine.. Set-up and operation of machine. 7.1 General... 7.2 Enginespeed 7.3 Fan speed...... 7.4 Travelmodeoperationofmachine 8 Determination of A-weighted soundpower level, 8 8.1 Measurement procedure.... 8.2 CalculationofA-weighted soundpowerlevel. 8.3 Determination of measurement result. 9 9 Information to be recorded.. 9 10 Informationtobereported 10 10.1 Information.... 10 10.2 Declarationof soundemission dataand uncertainty.. 10 Annex A (normative) Basic length, l, and additional machine specifications 11 AnnexB(normative)Excavators (hydraulic or cable-operated) 23 .25 Annex C (normative)Dozers AnnexD(normative)Loaders, AnnexE(normative)Backhoeloaders. .28 AnnexF(normative)Dumpers. .30 Annex G (normative) Graders.. Annex H (normative)Landfill compactors. AnnexI(normative)Trenchers ...34 AnnexJ(normative)Scrapers 35 AnnexK (normative)Pipelayers. @ ISO 2008 - All rights reserved ili BS ISO 6395:2008 ISO