• The World's Smallest ADCP

    SonTek-RS5

    Robust ADCP for collecting discharge data
    in rivers, streams and canals.

    Learn More

  • Flow Monitoring

    Get precise flow data in any lake, stream and river

    Learn More

  • rQPOD Remote Survey Boat

    A lightweight, portable solution for
    conducting and recording water surveys.

    Learn More

  • SonTek-SL Doppler Current Meter

    A simple way to measure water velocity
    and level in open channels.

    Learn More

  • SonTek-IQ Series

    Ideal for monitoring flows in canals, culverts,
    pipes and natural streams.

    Learn More

WANT TO TALK TO A SONTEK SPECIALIST?

ADCP Questions Answered

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

Watch Now

ADCP Training Series

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

Watch Now

Careers in Water

day-life-hydrographer (1).png

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

Learn More

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.

Subscribe

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

sontek-iq-irrigation-flow-meter-adcp (1).png

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

Learn More