# ISO 4377:2002 — Withdrawn and superseded ISO standards

For ISO 4377:2002, item title is Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs; status code is 9599; successor is ISO 4377:2012; withdrawn / published date is 2002-10-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4377:2002 _(verified: appears in the quote below)_
- **Item title:** Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4377:2012
- **Withdrawn / published date:** 2002-10-17 _(verified: appears in the quote below)_

## What the source says

> 33496,IS,,ISO 4377:2002,Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs,Déterminations hydrométriques — Mesure de débit dans les canaux découverts au moyen de structures — Déversoirs en V ouvert,2002-10-17,3,['17.120.20'],ISO/TC 113/SC 2,9599,[10254],[51546],['en'],35,<p>ISO 4377:2002 describes the methods of measurement of flow in rivers and artificial channels under steady or slowly varying conditions using flat-V weirs.</p><p>It also gives guidance on acceptable velocity distribution.</p>

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).