90.93 Standard confirmed Mar 27, 2026
ISO
ISO/TC 113 Hydrometry
International Standard
17.120.20 Flow in open channels
This document provides an understanding of the nature of measurement uncertainty and its significance in estimating the "quality" of a measurement or a determination in hydrometry.
This document is applicable to flow measurements in natural and man-made channels. Rainfall measurements are not covered.
WITHDRAWN
ISO/TS 25377:2007
PUBLISHED
ISO 25377:2020
90.93
Standard confirmed
Mar 27, 2026