ISO 3455:2021 PDF
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Hydrometry — Calibration of current-meters in straight open tanks
This document specifies a calibration method for mechanical type, electromagnetic type and acoustic type hydrometric current-meters used for point velocity measurement of flowing water. The method requires towing the instrument through still water in a straight open tank. It includes measuring apparatus, the calibration procedure, the method of presenting the results and the uncertainties associated with the method.
Edition | 2021 |
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Published Date | 2021 |
Published By | International Standardization Organisation |
Page Count | 13 |