Optical Current Meter

by W. Smith,
G.F. Bailey,

Serial Information: Journal of the Hydraulics Division, 1962, Vol. 88, Issue 5, Pg. 13-22

Document Type: Journal Paper


Stroboscopic device developed to measure surface velocities of water in open channels without immersing equipment in stream; meter is light-weight battery-powered unit consisting of low-power telescope, set of rotating mirrors, variable-speed drive motor, and tachometer; velocity measurements are made from observation point above stream by looking down at water surface through meter while gradually increasing angular speed of rotating mirrors.

Subject Headings: Water surface | Fluid velocity | Stream channels | Rotation | Surface water | Water meters | Open channels | Batteries

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