ISO INTERNATIONAL STANDARD 21018-1 First edition 2008-04-15 Hydraulic fluid power Monitoring the level of particulate contamination of the fluid - Part 1: General principles Transmissions hydrauliques - Surveillance du niveau de pollution particulaire des fluides Partie 1:Principes généraux Reference number ISO 21018-1:2008(E) @ ISO 2008 IHSunder Not for Resale ISO 21018-1:2008(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 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 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 that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTED DOCUMENT @ ISO2008 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 memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISo 2008 - All rights reserved I without license from IHS Not for Resale ISO 21018-1:2008(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Health and safety 4.1 4.2 Electric power 4.3 Mechanical fluid power 4.4 Process liquids . 5 Selection of monitoring technique.. 5.1 General.... 5.2 Selection 6 Procedures and precautions 6.1 General..... 6.2 Obtaining representative samples 6.3 Off-line sampling.. 6.4 On-line analysis 6.5 In-line analysis, 6.6 Suction (sip) analysis from reservoirs or containers 6.7 Calibration procedures... 6.8 Checking data validity... 6.9 Training... 6.10 Controlling the precision of the technique . 7 Test report .. 8 Annex A (informative) Summary of various technique attributes ..... 9 Annex B (informative) Description and relative merits of different contaminant monitoring techniques.... 15 Bibliography. 24 Copyrght International Organizaionforstandardizalonghts reserved ii from IHS Not for Resa