ISO INTERNATIONAL STANDARD 21278-1 First edition 2008-11-15 Equipment for crop protection - Induction hoppers Part 1: Test methods Matériel de protection des cultures - Incorporateurs - Partie1:Methodesd'essai Reference number ISO 21278-1:2008(E) @ ISO 2008 by IHS under lic itted without license from IHS Not for Resale ISO 21278-1:2008(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 COPYRIGHTPROTECTEDDOCUMENT @ ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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.org Published in Switzerland @ ISO 2008 - All rights reserved edwithoutlicense from IHS Not for Resale ISO 21278-1:2008(E) Contents Page Foreword IV Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Test materials and equipment.. 5 Test conditions 5.1 General... 5.2 Environmental conditions... 5.3 Liquid pressure ... 5.4 Volumetric and flow-rate measurement 5.5 Weight measurement.. 6 Test methods... 6.1 Nominal volume of the induction hopper. 6.2 Total volume of the induction hopper . 6.3 Precision of the level indicator.. 6.4 Emptying flow rate... 6.5 Emptying performance with powder... 6.6 Emptying performance with micro-granular product . 6.7 Efficiency of the induction hopper internal washing system. 6.8 Cleaningdeviceforcropprotectionproductcans 6.9 Evaluation of hydraulic tightness ... 7 Test report ... 10 Annex A (normative) Micro-granular test material Annex B (normative) Sticky reference product.. Annex C (informative) Example test report. Bibliography 4 CopyrghtInternationalOrganizaionsadardizaoghtsreserved ii nse from IHS Not for Resale