• Surveillance du courant

    Obtenez des données de courant précises pour tout lac, tout ruisseau ou toute rivière

    En savoir plus

  • Surveillance des océans et des littoraux

    Relevés précis de la vitesse dans tout port, littoral ou océan

    En savoir plus

  • Données relatives à l’irrigation

    Données de courant fiables pour les canaux d’irrigation agricole

    En savoir plus


ADCP Questions Answered

SonTek experts delve into topics essential for hydrologists, hydrometrists, hydrographers, or anyone responsible for collecting discharge data with an ADCP. 

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ADCP Training Series

This video collection is your go-to resource for mastering the art of discharge data collection using SonTek ADCP technology. 

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Careers in Water

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See the CastAway-CTD used in a global, scientific venture to monitor marine wildlife in some of the most remote places in the world.

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Stay informed

When you sign-up for eNews, you will be first to know about cool new product updates and releases, have the opportunity to gain insight from other water monitoring professionals who are using acoustics as part of their data collection programs, and hear about important training events that might help improve your knowledge of SonTek instrumentation.


Customer Service

Our top-notch Customer Service team is always a click or call away. Have a question about your new RiverSurveyor M9? Maybe you just need find out when your CastAway-CTD calibration is due. No matter the topic, we're here to help!

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Comparison of Doppler Flow Meter Types: Low-Cost Continuous Wave vs Multi-Cell, Pulsed Doppler Systems

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Find out why not every flow meter is created equally. Take a comprehensive look at the functional and technical differences between continuous wave vs Multi-cell pulsed Doppler technology and the advantages and disadvantages of each including:

  • Principle of operation
  • Number of beams
  • Bias potential
  • Depth requirements
  • Minimum velocity requirements
  • Flow calculation
  • Accuracy

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