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ISO 748:2021

Hydrometry — Measurement of liquid flow in open channels — Velocity area methods using point velocity measurements

Publication date:   Nov 15, 2021

General information

60.60 Standard published   Nov 15, 2021

ISO

ISO/TC 113/SC 1 Velocity area methods

International Standard

17.120.20   Flow in open channels

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Scope

This document specifies methods for determining the velocity and cross-sectional area of water flowing in open channels and for calculating the discharge employing point velocity measurement devices.
It is applicable to methods using rotating-element current meters, acoustic doppler velocimeters (ADVs), acoustic doppler current profiler (ADCP) stationary method, surface velocity measurement including floats and other surface velocity systems.
Although some general procedures are discussed, this document does not describe in detail how to use or deploy these systems.
NOTE         For detailed procedures, refer to guidelines from instrument manufacturers and the appropriate public agencies.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 748:2007

NOW

PUBLISHED
ISO 748:2021
60.60 Standard published
Nov 15, 2021