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Cost and Accuracy Comparisons
Mechanical Current Meter System with AquaCalc Versus Other Point Velocity Discharge Systems
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The USGS Pygmy-MH meter is a magnetic head current meter with the same basic design as the standard Pygmy meter with the exception of shaft and binding post contact. The Pygmy-MH has a miniature reed switch and magnetic shaft which allows for reduced friction for better low velocity response and produces a cleaner signal for the AquaCalc ProPlus and Current Meter Digitizer. The meter uses the standard Pygmy rating table.