ISO 3455
Hydrometry — Calibration of current-meters in straight open tanks
Organization: | ISO |
Publication Date: | 1 January 2021 |
Status: | active |
Page Count: | 18 |
ICS Code (Flow in open channels): | 17.120.20 |
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.
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