ISO 1438:2017现行
Hydrometry - Open channel flow measurement using thin-plate weirs
出版：International Organization for Standardization
专家解读视频
Describes 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.
BS ISO 1438 : 2017 - Identical
BIS IS 9108 : 2013 - Identical
BS ISO 1438 : 2017 - Identical
NBN E 44 003 : 1985 - Identical
NBN E 44 004 : 1986 - Identical
NEN ISO 1438 : 2008 C1 2008 - Identical
