All OTT surface water velocity/discharge instruments provide innovation and value. From integrated datalogging and displays to compactness and ease-of-use, you won’t find more innovative, cost-effective products in the industry.

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OTT Kalesto-V Non-contact Radar Sensor The only non-contact radar sensor available for environmental applications. Monitor surface velocity to improve discharge calculations, and never touch the water.

OTT ADC – Acoustic Digital Current Meter The OTT ADC uses the latest acoustic measuring principles to provide accurate and reliable point velocity measurements.

OTT Qliner – Acoustic Doppler Current Profiler The OTT Qliner accurately and efficiently measures surface water discharge without entering the water.