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About This Item

 

Full Description

ISO 748:2007 specifies methods for determining the velocity and cross‑sectional area of water flowing in open channels without ice cover, and for computing the discharge therefrom.

ISO 748:2007 covers methods of employing current‑meters or floats to measure the velocities. It deals only with single measurements of the discharge; the continuous recording of discharges over a period of time is covered in ISO 1100-1 and ISO 1100-2.

 

Document History

  1. ISO 748:2021


    Hydrometry - Measurement of liquid flow in open channels - Velocity area methods using point velocity measurements

    • Most Recent
  2. ISO 748:2007

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    Hydrometry - Measurement of liquid flow in open channels using current-meters or floats

    • Historical Version
  3. ISO 748:1997


    Measurement of liquid flow in open channels - Velocity-area methods

    • Historical Version