Follow SonTek Application Engineer Dr. Xue Fan as she works with advanced water monitoring instruments to help scientists collect crucial data for smart water management.

Strange data after calibration? Learn the most overlooked compass calibration tip from Mark Lynch to help you pass your QC test with confidence.

Strange data after calibration? Learn the most overlooked compass calibration tip from Mark Lynch to help you pass your QC test with confidence.

Take a look at a day with Application Engineer Kevin Labbe as he helps UGA researchers use SonTek RS5 ADCP, YSI EXO2, and more in Georgia estuaries

SonTek Product Manager Janice Landsfeld explains how to set up the FlowTracker2 ADV, conduct measurements, and interpret data on the device’s color screen.

How deep should you deploy your SonTek-SL500, SL1500, or SL3000? Dr. Xue Fan shares tips on what to look for during setup to ensure accurate data collection.

SonTek Hydrology Manager for Europe, Lee Pimble, reviews some of the options to consider, from basic boards to the handy remote control and autonomous versions.

Filmmaker Sean Casey features SonTek’s HydroSurveyor-M9 and CastAway-CTD in an IMAX series on extreme weather, alongside the sea floor systems hydrone.

Discover why the SonTek RS5 is a better choice than other flow sensors. It offers quick and accurate discharge data collection in small rivers and streams.

Outfit your canal with accurate water flow monitoring. Sontek's Dylan Bedortha reviews options to upgrade your irrigation data collection process.

Discover why the CastAway CTD is a global favorite. Compact, accurate, and easy to use, this powerful tool delivers high-quality coastal profiling data.

When should you perform a compass calibration on your RiverSurveyor-S5 or M9 ADCP? Learn more in this short video with Dr. Xue Fan.

Introducing the RS5, the latest member of the award-winning RiverSurveyor family of discharge instruments. See it in action and explore key features.

See how Expedition Glacialis uses the CastAway CTD to monitor marine environments in remote regions, blending science, exploration, and global awareness.

Learn how to set up a project with the SonTek HydroSurveyor-M9 and HYPACK in this 10-part series by Senior Hydrologist Daniel Wagenaar.

SonTek’s Janice Landsfeld highlights key instruments for measuring open channel flow in small to mid-sized rivers based on site needs.

Hydrographers in Australia and New Zealand train on using HYPACK for hydrographic surveys with SonTek’s HydroSurveyor and RiverSurveyor-M9 systems.

Having battery issues with your RiverSurveyor-M9 or CastAway-CTD? Dr. Xue Fan explains available power options and what to consider when choosing the right one.

Learn how GPS positioning enhances RiverSurveyor stationary live measurements, improving accuracy and efficiency in water depth and velocity profiling for discharge calculations.

During a SonTek workshop in Zaragoza, Spain, the RiverSurveyor-M9 demonstrated reliable and accurate river flow measurements on the Ebro River for regional water agencies.

Application Specialist Nick Martin walks you through rQPOD propeller repair when damaged during general use.

The world's smallest ADCP

Learn what you can expect to receive when you order your new RS5 ADCP, and learn how to set-up your system during this easy step-by-step guide.

In this video, Dr. Xue Fan gives a basic RSQ software overview and highlights features added over the years for the RiverSurveyor suite of instruments.