ISO 3455:2021
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The latest, up-to-date edition.
Hydrometry Calibration of current-meters in straight open tanks
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
01-08-2021
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.
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