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2. Dethridge wheel - Wikipedia

   en.wikipedia.org/wiki/Dethridge_wheel

   In 1910, the Victorian State and Water Supply Commissioner, John Stewart Dethridge, developed the "Dethridge Direct-Measuring Water Meter" or "Dethridge Wheel". Its initial use was to accurately measure the flow of water at specific irrigation sites in Australia, especially in areas throughout New South Wales and Victoria. [5]

3. Parshall flume - Wikipedia

   en.wikipedia.org/wiki/Parshall_flume

   Parshall flumes (right) alongside other types of flow meters. The Parshall flume is an open channel flow-metering device that was developed to measure the flow of surface water and irrigation flow.

4. Water metering - Wikipedia

   en.wikipedia.org/wiki/Water_metering

   A velocity-type meter measures the velocity of flow through a meter of known internal capacity. The speed of the flow can then be converted into a volume of flow to determine the usage. There are several types of meters that measure water flow velocity, including jet meters (single-jet and multi-jet), turbine meters, propeller meters and mag ...

5. Palmer-Bowlus Flume - Wikipedia

   en.wikipedia.org/wiki/Palmer-Bowlus_Flume

   Palmer-Bowlus flume measuring irrigation flows. Flow in the Palmer-Bowlus Flume transitions from a circular bottom section to a raised trapezoidal throat and then back - accelerating sub-critical flow (Fr~0.5) to a supercritical state (Fr>1) to develop the level-to-flow relationship. The simplified free-flow discharge can be summarized as

6. Flume - Wikipedia

   en.wikipedia.org/wiki/Flume

   Some varieties of flumes are used in measuring water flow of a larger channel. When used to measure the flow of water in open channels, a flume is defined as a specially shaped, fixed hydraulic structure that under free-flow conditions forces flow to accelerate in such a manner that the flow rate through the flume can be characterized by a level-to-flow relationship as applied to a single head ...

7. Some Edison residents are getting $9 million in new water ...

   www.aol.com/edison-residents-getting-9-million...

   EDISON – An $8.85 million bond ordinance to replace water meters in the section of the township served by the Edison Water Utility has been approved by the Township Council.