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Product Spotlight: SonTek Argonaut ADV

1
  • by Kelly Blumenschein
  • — March 29, 2011

SonTek Argonaut-ADV Autonomous SystemCompact and easy to use, the SonTek Argonaut Acoustic Doppler Velocimeter provides an ideal solution for three-dimensional, shallow-water flow monitoring applications.

The Argonaut-ADV can measure low flows down to 0.001 m/s (0.003 ft/s) and provide accurate measurements in as little as 25 mm (1 in.) of water. With its 4 MB of internal memory, this unit can collect more than 100,000 samples.

By transmitting a known frequency into the water, the ADV can record and measure the reverberation frequency or signal strength of nearby particulate matter, which includes sediment, small organisms, and even bubbles. The speed of the sediment is proportional to the water velocity, providing the user with accurate flow measurements.

Signal strength is recorded and processed in internal logarithmic units; low signal strength indicates a lack of particulate matter in the water.

The ADV can be integrated with many additional sensors; a temperature sensor is included standard with all systems.

The unit does not require periodic re-calibration and includes an AutoVelocity feature that automatically pre-sets the velocity range. It includes a built-in recorder, battery, and SDI-12 interface, enabling deployment for autonomous operation or interface with external systems. Using the SDI protocol, the ADV can easily connect to a wide variety of data loggers, making a real-time uplink with the remotely deployed Doppler possible.

For shallow-water deployments, a two-dimensional, side-looking probe is available. A combination of a 2D/3D side-looking probe provides a third option for work in both shallow and deeper water. The ADV automatically switches between 2D and 3D depending on the water depth.

To learn more about the Argonaut-ADV, call Fondriest Environmental at (888) 426.2151, email customercare@fondriest.com, or visit http://www.fondriest.com/products/sontek_argonaut_adv.htm.

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1 Comment

  1. Field Report 2015-12-10: Precision vs Accuracy vs Drift | Arduino based underwater sensors says:
    January 7, 2016 at 10:43 PM

    […] low ceilings, so I would also have to do that testing in some other system or get my hands on a concentrating beam ADV logger to avoid any reflection […]

    Reply

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