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ISO 3455:2021

Hydrometry — Calibration of current-meters in straight open tanks ISO 3455:2021

Publication date:   Jan 8, 2021

General information

60.60 Standard published   Jan 8, 2021

ISO

ISO/TC 113/SC 5 Instruments, equipment and data management

International Standard

17.120.20   Flow in open channels

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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WITHDRAWN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
60.60 Standard published
Jan 8, 2021