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Status : Active
Standard Type : Main
Document No : ISO 4360:2020
Document Year : 2020
Pages : 30
Edition : 4
Section Volume : Flow measurement structures (ISO/TC 113/SC 2.)
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.