ISO 3455:2021-ed.3.0

Podrobné informace

Označení: ISO 3455:2021-ed.3.0

Datum vydání: 08.01.2021

Stran: 13

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: 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.