BS ISO BRITISH STANDARD 3929:2003 Road vehicles Licensed copy: Vocational Training Council, Vocational Training Council, Version correct as of 18/10/2017 Measurement methods for exhaust gas emissions during inspection or maintenance ICS 13.040.50; 43.060.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO 3929:2003 National foreword This British Standard reproduces verbatim ISO 3929:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee MCE/22, Engines for road vehicles, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may befoundin the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the"Search" facility of the BSI Electronic Catalogue or of British Standards Online. 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 does notofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the IsO title page, pages i to iv, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendmentsissued sincepublication nsed This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 5November2003 @BSI 5November 2003 ISBN 0 580 42889 3 BSIS0 3929:2003 ISO INTERNATIONAL 3929 STANDARD Third edition 2003-09-01 RoadvehiclesMeasurementmethods for exhaust gas emissions during inspectionormaintenance Vehicules routiers-Methodesdemesuredesémissionsgazeusesau coursdesinspectionsoudelamaintenance Reference number ISO 3929:2003(E) ISO BS ISO 3929:2003 ii BS ISO3929:2003 Contents Page Foreword .iv 1 Scope 2 Normativereferences 3 Terms and definitions. 4 Instrumentation.. 5 Check,maintenanceperiodicityand precautions for use of instruments. 2 6 General vehicleverification. 7 Normal conditioning of vehicle . 8 Measured value corrections. 9 Measurementmethodsforexhaustgasemission Bibliography ili BSIS03929:2003 Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through ISO se non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 3929 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 5, Engine tests. This third edition cancels and replaces the second edition (isO 3929:1995), which has been technically revised. iv BSIS03929:2003 1, Version correct as of 18/10/2017 Road vehicles Measurement methods for exhaust gas emissionsdu