Published
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.
WITHDRAWN
ISO 3455:2007
PUBLISHED
ISO 3455:2021
90.20
Standard under periodical review
Jan 15, 2026
Hydrometry — Calibration of current-meters in straight open tanks
90.20 Standard under periodical review
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