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.
Status: PublishedPublication date: 2021-01
Edition: 3Number of pages: 13
Technical Committee: ISO/TC 113/SC 5 Instruments, equipment and data management
- ICS :
- 17.120.20 Flow in open channels
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ISO 3455:2021Stage: 60.60
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