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ISO 4360:2020

Hydrometry — Open channel flow measurement using triangular profile weirs

Jun 30, 2020

General information

90.93     Sep 15, 2025

ISO

ISO/TC 113/SC 2

International Standard

17.120.20  

English  

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Scope

This document specifies methods for the measurement of the flow of water in open channels under steady flow conditions using triangular profile weirs. The flow conditions considered are steady flows which are uniquely dependent on the upstream head and non-modular (drowned) flows which depend on downstream as well as upstream levels.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4360:2008

NOW

PUBLISHED
ISO 4360:2020
90.93 Standard confirmed
Sep 15, 2025