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About This Item

 

Full Description

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. It also specifies limitations of applicability related to weir and flow geometry for the recommended equations. It is technically identical with and reproduced from ISO 1438-1:1980.
 

Document History

  1. AS 3778.4.1:2022


    Measurement of water flow in open channels, Part 4.1: Measurement using flow gauging structures - Thin-plate weirs (ISO 1438:2017, IDT)

    • Most Recent
  2. AS 3778.4.1-1991

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    Measurement of water flow in open channels Part 4: Measurement using flow gauging structures, Method 4.1: Thin-plate weirs

    • Historical Version