90.93 Standard confirmed Sep 15, 2025
ISO
ISO/TC 113/SC 2 Flow measurement structures
International Standard
17.120.20 Flow in open channels
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.
WITHDRAWN
ISO 4360:2008
PUBLISHED
ISO 4360:2020
90.93
Standard confirmed
Sep 15, 2025