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Cost and Accuracy Comparisons
Mechanical Current Meter System with AquaCalc Versus Other Point Velocity Discharge Systems
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For deep water over 100 meters
For fauna at water/bottom interfaces
Can be free-dropped up to 10 m (33’)
In medium or heavy-duty versions
Unrestricted flow, little bottom disturbance
Messenger closing for more control
Parts interchangeable with Wildco® corers
This design incorporates improvements by Dr. R. O. Brinkhurst, Institute of Ocean Sciences, specifically for obtaining quantitative samples of fast-moving Tubificidae. Because the valve is locked open during descent, there is minimal frontal wave and minimal warning to fauna at the water/bottom interface. It is messenger-operated and is under your full control: you can keep the K-B® open until you are sure you have a sample. The heavy K-B® affords better penetration.
603-033-20 Hand Corer, SST, D-B, 20", Sampler only