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ISO 3455:2021

Hydrometry — Calibration of current-meters in straight open tanks

Jan 8, 2021

General information

90.20     Jan 15, 2026

ISO

ISO/TC 113/SC 5

International Standard

17.120.20  

English  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3455:2007

NOW

PUBLISHED
ISO 3455:2021
90.20 Standard under periodical review
Jan 15, 2026

National adoptions

Hydrometry — Calibration of current-meters in straight open tanks

90.20   Standard under periodical review

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