ISO 13550:2002

Hydrometric determinations — Flow measurements in open channels using structures — Use of vertical underflow gates ISO 13550:2002

General information

90.93 Standard confirmed   Dec 15, 2023


ISO/TC 113/SC 2 Flow measurement structures

International Standard

17.120.20   Flow in open channels


This International Standard specifies methods for the determination of discharge in open channels in steady flow conditions using vertical underflow gates on a flat horizontal floor between vertical side walls under modular or non-modular conditions.

Life cycle


ISO 13550:2002
90.93 Standard confirmed
Dec 15, 2023