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BS 3680-4A

81st Edition, August 31, 1981

Complete Document

Measurement of Liquid Flow in Open Channels Part 4A: Method Using Thin-Plate Weirs

Includes all amendments and changes through Amendment 2, November 1998


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Superseded By: BS ISO 1438

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W/D S/S BY BS ISO 1438
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Description / Abstract:

Specifies the installation, head measurement and assessment of the accuracy of discharge formulae for 2 types of weir - rectangular thin-plate and triangular notch thin-plate weirs. Also covers the assessment of the accuracy of discharge measurement.