ISO INTERNATIONAL STANDARD 3455 Third edition 2021-01 Hydrometry - Calibration of current- meters in straight open tanks Hydrometrie - Etalonnage des moulinets en bassins découverts rectilignes Reference number IS0 3455:2021(E) ISO IS02021 IS0 3455:2021(E) COPYRIGHTPROTECTED DOCUMENT @IS02021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 below or Iso's member body in the country of the requester. IsO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved

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