OTT ecoLog 800 NEW! The OTT ecoLog 800 is a self-contained system for measurement of water level, temperature, and conductivity in groundwater and surface water applications. more

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OTT ecoLog 500 NEW! The OTT ecoLog 500 is a self-contained system with flexible remote transmission options for surface and groundwater level monitoring. more

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OTT CTD Sensor The OTT CTD (Conductivity, Temperature, Depth) sensor is a versatile instrument for either surface or groundwater measurement. more

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OTT Orpheus Mini Submersible pressure and temperature probe with integrated datalogging, ideal for unattended groundwater level monitoring or pump tests more

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OTT PLS - Pressure Level Sensor Submersible pressure probe for level monitoring of groundwater and surface water. more

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