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WITHDRAWN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
90.60
Close of review
Jun 5, 2026
Hydrometry — Calibration of current-meters in straight open tanks
90.60 Close of review