OTT Radar Level Sensor

High accuracy, drift-free surface water level sensor that meets FCC radar level requirements for hydrologic applications

Learn about the OTT RLS

OTT Hydromet Water Blog!

Your one-stop destination for technical advice, environmental monitoring "wins," and industry news. Updated weekly!

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Service Plus Programs

Lower lifetime ownership costs and maximize instrument up-time.

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Hydrolab HL4

Next generation multiparameter sonde

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OTT MF pro

Electromagnetic current meter with color handheld display

Learn about the OTT MF pro

Check out the OTT Hydromet Blog!

Stay up-to-date with useful technical notes, application articles, and water monitoring news on the OTT Hydromet Blog! Updated at least once a week.

Go to the OTT Hydromet Blog


Get Your Water Quality Sonde Ready for Monitoring Season!

New myOTT Portal!


The myOTT portal has been completely redesigned and includes a variety of new customer-focused features

Learn about the improved myOTT customer portal