I BS ISO BRITISH STANDARD 11614:1999 Reciprocating internal combustion compression-ignition engines D Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas ICS 43.060.01 NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAW BS ISO 11614:1999 National foreword This British Standard reproduces verbatim ISO 11614:1999 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 theUK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implementinternational publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled aInternational Standards Correspondence Index°, or by using the aFind' facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the IsO title page, pages ii to iv, pages 1 to 57 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. This British Standard, having Amendments issued since publication beenprepared underthe direction of the Engineering Amd. No. Date Comments Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 1999 @BSI12-1999 ISBN 0 580 35698 1 ISO INTERNATIONAL STANDARD 11614 First edition 1999-09-01 Reciprocating internal combustion compression-ignition engines Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas Moteurs alternatifs a combustion interne a allumage par compression - Appareillage de mesure de I'opacite et du coefficient d'absorption de la lumiere des gaz d'échappement A Reference number ISO 11614:1999(E)