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Hydrological Equipment

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Plankton Net totalizing Flowmeter, Standard Impeller

Item No.:
2.00 LBS

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This Totalizing Flowmeter is ideal for determining water speed, volume or distance. These are general purpose instruments for flow measurements with plankton nets to determine water volume for each tow. Each flowmeter is made with a nickel-plated brass nose cone, clear polycarbonate body, and is properly balanced to maintain horizontal position when suspended from the towing line. The precision molded rotor is coupled directly to a six digit counter that registers each revolution and displays it on an odometer. After sampling, remove meter and record reading and time. Subtracting the first reading from the second gives you your average speed over the sampling time. The flowmeter has unlimited depth capacity and includes an 8 3/4" long flowmeter, 18" stainless steel tow line and stainless steel connecting axle pin. Choice of standard or low speed impellers.

Standard Impeller. For use in oceans, rivers, open channels or with towed nets. Range: 10 cm/sec. - 79 cm/sec. 6 digit counter measures 999999 counts, approximately 14.5 nautical miles. 2 3/4" diameter.

604-172 Standard Impeller - 6 digit counter 1 lb.