International Organization for Standardization (ISO)
Latest
ISO 25377:2020
Scope
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.
ISO 25377:2020 Referenced Document
ISO 772 Hydrometry — Vocabulary and symbols*, 2022-02-28 Update