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Acoustic Doppler Velocimeter - ADV

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The SonTek ADV (Acoustic Doppler Velocimeter) is a versatile, high-precision instrument used to measure 3D water velocity. The ADV is used to measure water velocity in a wide range of environments including laboratories, rivers, estuaries, and the ocean. The ADV is extremely simple to set up and use. Most users are taking high quality data within minutes of receiving the system.

  • Three-axis velocity measurement
  • Sensor mounted on a 25cm stem
  • High sampling rates — up to 50 Hz
  • Small sampling volume — less than 0.1 cm³
  • High accuracy: 1% of measured range
  • Large velocity range
  • Excellent low-flow performance
  • No recalibration needed
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