TECHNICAL ISO/TR REPORT 16386 Second edition 2014-11-15 Impact of changes in IsO fluid power particle counting Contamination control and filter test standards Consequences des changements survenus dans les normes Iso relatives au comptage des particules - Controle de la contamination et essais de filtres Reference number IS0/TR 16386:2014(E) SO International Organization for Standardization ng Institute of Standardization 5956617 IS02014 vided by IHS under itted without license from IHS IS0/TR 16386:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 All rights reserved. Unless otherwise specified, 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 on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice 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 Prganizationfor Standardization ense-Zhejag nste o StandardizationSs1S9 2014 - All rights reserved Not for Resale, 2015/3/15 10:54:43 networking permitted without license from IHS IS0/TR 16386:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Historical background 2.1 What is ACFTD? .1 2.2 Calibrating particle counters using ACFTD 2.3 The original multi-pass filter test ..2 3 New test dusts. .2 4 New APC calibration procedure ..2 5 Why changes were necessary .5 6 Impact on particle sizes and contamination measurements .5 .5 6.1 Redefinition of particle sizes.. 6.2 Apparent particle concentrations .6 6.3 Contamination code reporting. ..8 7 Impact on filter test results. 7.1 Filter retained contaminant capacity ..8 7.2 Filtration ratio and filter efficiency ..9 8 Conclusion .11 Bibliography .12 iii see=Zhejiang Institute of Standardization 5956617 vided by IHS under lic ithout license from IHS