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
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.
WITHDRAWN
ISO 3455:2007
PUBLISHED
ISO 3455:2021
60.60
Standard published
Jan 8, 2021