NASA NTRS · 19760000493
Data system for multiplexed water-current meters
Abstract
Flow rates at 32 flood plain locations are measured simultaneously by single digital logic unit with high noise immunity. Water flowing through pygmy current meters rotates element that closes electrical contact once every resolution, so flow rate is measured by counting number of closures in time interval.
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Ramsey, C. R.. 1977-03-01. Data system for multiplexed water-current meters. https://ntrs.nasa.gov/citations/19760000493
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