OTT Hydromet & Sutron Combine

Our two companies come together with one purpose: the most complete, advanced environmental monitoring solutions available

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Groundwater Data Your Way

OTT Hydromet and Sutron have combined to provide best-in-class groundwater sensors and telemetry offerings

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Sonde Survivor is Back!

Enter your Hydrolab application story into the Sonde Survivor contest for a chance to win a new Hydrolab HL4 and Surveyor HL Handheld!

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OTT Pluvio² S

The new standard in precipitation measurement: the trusted accuracy of the OTT Pluvio series, now in a compact housing!

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Water Quality Solutions

From simple spot checking to multi-month deployments in harsh conditions, OTT Hydromet has an instrument for your application.

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OTT PLS-C

Our popular pressure level and temperature sensor, now with an added conductivity cell!

Learn about the OTT PLS-C

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

Service Plus Programs

Lower lifetime ownership costs and maximize instrument up-time.

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Welcome Lufft to the OTT Hydromet Group!

Long-time meteorological sensor leader Lufft recently joined the OTT Hydromet group of companies. The combination of our Lufft, Sutron, and OTT sensors ensures comprehensive and advanced meteorological solutions for our customers!

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Phytoplankton Measurement with Fluorescence Technology

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