SonTek Argonaut-XR Acoustic Doppler Current Profiler

The SonTek Argonaut-XR is an advanced Doppler sonar for three dimensional water velocity measurement.


  • 3-Beam transducer for 3-D velocity
  • RS-232 and SDI-12 communication
  • Integrated compass, tilt, and pressure sensors
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The Argonaut-XR offers exceptional value for near shore deployments in less than 20 m of water. Designed specifically for mounting on the bottom of a river, channel, or harbor, the XR features a special mode that automatically adjusts one of its measurement cells for changing water level. Its small size, rugged build, and flexible system architecture make the XR attractive for both real-time operation and autonomous deployments. The basic autonomous system includes a Multi-Cell (current profiling) feature, an external battery pack, internal recorder, compass/tilt sensor, pressure sensor, and temperature sensor. Additional options such as a non-directional wave package make the XR the centerpiece of a complete oceanographic or hydrologic data collection system.

  • Programmable 0.5 to 20m range
  • ViewArgonaut software
  • AutoTide - automatic sampling volume adjustments
  • Multi-Cell current profiling feature
  • Integrated compass, tilt, temperature, and pressure sensors
  • Optional wave frequency spectra estimation
  • SDI-12 compatible
  • Proven SonTek reliability
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SonTek Argonaut-XR 1.5 MHz System
Argonaut-XR acoustic Doppler current profiler, 1.5 MHz
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