90.93 Standard confirmed Oct 11, 2022
ISO
ISO/TC 113/SC 2 Flow measurement structures
International Standard
17.120.20 Flow in open channels
ISO 1438:2017 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.
PUBLISHED
ISO 1438:2017
90.93
Standard confirmed
Oct 11, 2022