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SonTek FlowTracker Handheld-ADV Get Quote



The FlowTracker Handheld-ADV® (Acoustic Doppler Velocimeter) 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. The FlowTracker also features SonTek's exclusive "SmartQC" which involves a series of built-in data quality checks, so you know your data is right. At the end of the data run, just press a button and the FlowTracker calculates the discharge for you!

Key Features

  • Built-in temperature sensor
  • No calibration required
  • Lightweight, rugged, and waterproof
  • Two or three dimensional velocity measurement
  • Automatic quality control for accurate data collection
  • Keypad interface with real-time velocity and flow display
  • Measure velocities in water as shallow as 2 cm (less than an 1 inch)
  • General measurement feature for spot checks of velocity, etc.
  • Automatic discharge uncertainty calculation to ISO standard. A FlowTracker First!
  • Record changing gauge heights and rated flows, with comments in each measurement
  • Automatic discharge calculation - International techniques, including ISO and USGS standards
  • Proven velocity accuracy to as low as 0.001m/s (0.003 ft/s) and up to 4.0 m/s (13 ft/s)
  • Recorded data is shielded from power loss
  • Multi-language instrument and software (English, Spanish, French, Italian, and German)

Technical Specifications

Velocity Range: ±0.001 to 4.0 m/s (0.003 to 13 ft/s)
Velocity Resolution: 0.0001 m/s (0.0003 ft/s)
Velocity Accuracy: ±1% of measured velocity, ±0.25 cm/s
Sample Volume Location: 10 cm from center transducer
Communication Protocol: RS-232
Power Supply: 8 AA Alkaline batteries (25+ hours of continuous operation)
Weight: 4 lbs
Probe Width: 5.1\"
LCD/Keypad Unit: Temporarily submersible to 1 m (3 ft)
Operating/Storage Temperature: -20º to 50ºC