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SonTek FlowTracker Handheld Flow Meter

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The Flowtracker has been designed with the field user in mind, this handheld Acoustic Doppler Velocimeter (ADV) measures 2D or 3D currents, attaches easily to wading rods, and features an automatic discharge computation using a variety of international methods, including ISO and USGS standards. At the end of the data run, just press a button and the FlowTracker calculates the discharge for you!

SonTek FlowTracker with Smart QC

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  • Proven velocity precision - accurate to as low as 0.001 m/s (0.003 ft/s) and up to 4.0 m/s (13 ft/s)
  • Keypad interface with real-time velocity and flow display
  • Automatic quality control for accurate data collection
  • Two or three dimensional velocity measurement
  • Recorded data is shielded from power loss
  • Lightweight, rugged, and waterproof
  • No calibration required - ever!
  • Automatic discharge calculation - International techniques, including ISO and USGS standards
  • Record changing gauge heights and rated flows, with comments in each measurement
  • Automatic discharge uncertainty calculation to ISO standard
  • Measure velocities in water as shallow as 2 cm (less than 2.5 cm)
  • Built-in temperature sensor


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Specification Sheets

FlowTracker ADV

Range ±0.001 to 4.0 m/s (0.003 to 13 ft/s)
Resolution 0.0001 m/s (0.0003 ft/s)
Accuracy ±1% of measured velocity, ±0.25 cm/s
Sampling Volume Location 10 cm from center transducer
Communication Protocol RS-2332
Power Supply 8 AA Alkaline batteries (25+ hours of continuous operation)
Weight 1.8 kg (4.0 lbs)
Probe Width 130 mm (5.1 in)
LCD/Keypad Unit Temporarily submersible to 1 m (3 ft)
Operating/Storage Temperature -20º to 50ºC




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