India Railway Safety
Over time, scour can cause dangerous foundation instability and is the leading cause of bridge failure. Acoustic technology makes railways safer.
Science and Exploration
See the CastAway-CTD used in a global, scientific venture to monitor marine wildlife in some of the most remote places in the world.
Careers in Water
See the CastAway-CTD used in a global, scientific venture to monitor marine wildlife in some of the most remote places in the world.
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.
Featured Products
RS5 ADCP Robust Data from the World's Smallest ADCP-
FlowTracker2 Handheld-ADV Versatile Wading Discharge & Lab Acoustic Doppler Velocimeter
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SonTek-SL Series SonTek®-SL500 Side-Looking Doppler Current Meter
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SonTek-SL Series SonTek®-SL1500 Side-Looking Doppler Current Meter
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SonTek-SL Series SonTek®-SL3000 Side-Looking Doppler Current Meter Side-Looking Doppler Current Meters
Case Studies & White Papers
Discharge and bathymetric data collection of Sinar Mas Forestry plantation canals in Indonesia
Discharge monitoring in a tidally affected river with the SonTek SL in Southern Malaysia
Real time current speed and direction to assist ship berthing in Singapore
Remote bathymetric survey in Kalgoorlie Mine Pits, Australia
Acoustic Doppler Current Meters guide intelligent decisions on Malaysia’s SMART Project
SonTek HydroSurveyor enables rapid resevoir survey
Clever kayak rig navigates tricky bathymetry challenge
Establishment of a hydrographic monitoring site in Australia
Comparison of Doppler Flow Meter Types: Low-Cost Continuous Wave vs Multi-Cell, Pulsed Doppler Systems
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
