SonTek FlowTracker2 Acoustic Doppler Velocimeter (FT2)

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SonTek FlowTracker2 Acoustic Doppler Velocimeter (FT2)

The FlowTracker2 (FT2) from SonTek is a portable, high-precision Acoustic Doppler Velocimeter (ADV®) designed for wading discharge measurements in rivers, channels, and shallow water environments. Built on SonTek’s proven ADV technology, trusted by hydrologists, researchers, and field professionals worldwide, the FT2 delivers exceptional accuracy in low-flow and shallow-water conditions where traditional methods can struggle.

With enhanced usability, integrated GPS, Bluetooth connectivity, and an intuitive colour display, the FlowTracker2 is a modern, efficient solution for discharge measurement and flow profiling in the field.

Advanced ADV Technology

At its core, the FT2 uses SonTek’s field-proven acoustic Doppler technology, refined to deliver faster sampling, lower noise, and improved standard error performance. The system captures 2D velocity data in the horizontal plane as standard, with optional 3D capability for advanced flow analysis and quality control.

Key advantages include:

  • Highly accurate low-flow measurements

  • Reliable performance in shallow water

  • No user calibration required

  • Real-time quality control and beam diagnostics

  • SmartQC audio alerts for guided measurements

Designed for Efficient Fieldwork

The FlowTracker2 has been developed with direct feedback from field users, resulting in practical features that improve efficiency, simplify workflows, and reduce setup time.

Key features include:

  • Embedded GPS for georeferenced measurements

  • Bluetooth and direct USB connectivity

  • Detachable probe with extension cable options up to 10 metres

  • Interchangeable probes and handhelds for flexible fleet management

  • Replaceable battery cartridges, even during measurements without data loss

  • Saveable site templates for faster repeat measurements

  • Audio prompts and visual workflow guidance

Intuitive Handheld Interface

The FT2 handheld features a large full-colour display with modern software designed for simple navigation and real-time data visibility. Rich graphical displays and live QC information allow users to make informed decisions in the field.

Users can:

  • View real-time velocity and discharge plots

  • Monitor beam checks and signal quality instantly

  • Access tilt sensor readings on-screen

  • Record comments and gauge heights

  • View running discharge summaries

  • Edit measurements directly on the device

Built for Any Environment

Designed for rugged field use, the FlowTracker2 is built to perform in a wide range of climates and water conditions, with durable construction and display options suitable for day or night operation.

Typical applications include:

  • Natural streams, rivers, and lakes

  • Open channels

  • Irrigation canals

  • Mining channels

  • Water treatment systems

  • Stormwater monitoring

  • Weirs and flumes

Portable. Precise. Practical.

The FlowTracker2 simplifies discharge measurement by guiding users through every step of the process, helping ensure accurate, defensible data collection the first time, every time. With minimal post-processing and powerful built-in QC tools, it is an ideal choice for professionals requiring reliable flow measurement in the field.

Combining proven ADV technology with modern handheld functionality, the FlowTracker2 sets the standard for portable wading discharge measurement.

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