TECHNICAL ISO/TS SPECIFICATION 11155-1 First edition 2001-11-01 Road vehicles Air filters for passenger compartments - Part 1: Test for particulate filtration Véhicules routiers - Filtres a air pour I'habitacle - Partie 1: Essai de fitration des particules Reference number ISO/TS 11155-1:2001(E) ISO @ ISO 2001 py IHS under itted without license from IHS Not for Resale ISO/TS 11155-1:2001(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 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by isO member bodies. In the unlikely event @ISO2001 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form 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.ch Printed in Switzerland @Io2001-All rights reserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO/TS 11155-1:2001(E) Contents Page Foreword. .iv Introduction 1 Scope. 2 Normative references.. 3 Terms and definitions 4 Test equipment, accuracy and validation ... 4.1 Measurement accuracy ... 4.2 Test system.... 4.3 Test conditions ... 4.4 Validation..... 4.5 Daily start-up procedures .... 10 5 Test methods ... 10 5.1 Performance test . 5.2 Efficiency test AnnexA(normative)Testreport. Annex B (normative) Efficiency data reduction.. .18 Annex C (normative) Pressure loss data reduction.. .24 AnnexD(informative)Determinationofmaximumefficiencyaerosolconcentration. .25 Annex E (normative) Check lists for accuracy requirements, validation and routine operation . Annex F (normative) Aerodynamic diameter .... Annex G (normative) Methods for testing efficiency aerosol for proper neutralization.. Bibliography. 37 ii py IHS unde se from IHS Not for Resale