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ISO 1438-1:1980
[Superseded]Water flow measurement in open channels using weirs and Venturi flumes - Part 1: Thin-plate weirs
Specifies methods for the measurement of water flow in open channels using rectangular and triangular-notch (V-notch) thin-plate weirs. The flow conditions considered are limited to steady, free and fully ventilated discharge. Recommended discharge coefficients are applicable to water only in the approximate range of temperatures from 5 to 30 °C.
Published: 01/04/1980
Pages: 27
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Content history
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