Published
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                WITHDRAWN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
                    90.20
                                        Standard under periodical review
                    Oct 15, 2025
                
Hydrometric uncertainty guidance (HUG) (ISO 25377:2020)
60.60 Standard published
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