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Mechanisms such as the ball-and-disk integrator were used both for computation in differential analysers and as components of instruments such as naval gun directors, flow totalizers and others. A planimeter is a mechanical device used for calculating the definite integral of a curve given in graphical form, or more generally finding the area ...
This depth is converted to a flow rate according to a theoretical formula of the form = where is the flow rate, is a constant, is the water level, and is an exponent which varies with the device used; or it is converted according to empirically derived level/flow data points (a "flow curve"). The flow rate can then be integrated over time into ...
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 ...
Pages in category "Flow meters" ... Water metering This page was last edited on 7 January 2018, at 21:41 (UTC). Text is available under the ...
Smart meters can also be used in communities who are serviced by standpipes to monitor the flow of water and report leakage or dysfunction. [citation needed] Installation of water management devices in Cape Town, South Africa has led to complaints by residents who perceive this intervention as a draconian, unilateral action by the City. [5]
Mueller Systems is a manufacturer and distributor of advanced metering infrastructure (AMI) and automatic meter reading (AMR) technology, as well as residential, commercial and fire-line meters and related products. [25] Founded as Hawes and Hersey Company in 1859, Mueller Systems is the oldest manufacturer of water meters in the United States ...
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