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ISO 3455:2021

Hydrometry — Calibration of current-meters in straight open tanks

General information
Valid from 08.01.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
08.01.2021
Main
18.05.2007
Main
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.
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