ISO INTERNATIONAL STANDARD 3454 Third edition 2008-04-15 Hydrometry Direct depth sounding and suspension equipment direct de la profondeur Reference number ISO 3454:2008(E) ISO @ ISO 2008 ISO3454:2008(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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat 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 optimizedforprinting.Every care has been taken to ensure thatthe file is suitableforuse by IsO member bodies. In the 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, 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 copyright@iso.org Web www.iso.org Published in Switzerland = @ ISO 2008 - All rights reserved ISO3454:2008(E) Contents Page 1 Scope 2 Normative references 3 Terms and definitions . 4 Sounding equipment 5 Suspensionequipment 2 6 Performance requirements .. 3 Annex A (informative) Selection of sounding (sinker) weight .. 9 Annex B (informative) Corrections for length of sounding line when measuring depth with the line not normaltothesurface Bibliography 8 @ ISO 2008 - All rights reserved ili