CBS
The OTT CBS uses a drift-free indirect measuring principle and covers a measurement range of up to 30 m...
more


WATER LEVEL
CTD
The professional groundwater data logger OTT CTD measures water level and temperature as well as conductivity. It saves all measurements in the integrated 4 MB ring buffer......
more

ecoLog 500
NEW! The OTT ecoLog 500 is a self-contained in-well groundwater level instrument offering flexible remote data transmission options and unequaled performance for the price....
more

RLS
The new Radar Sensor OTT RLS for an energy-efficient non-contact water level measurement at surface waters.The new radar sensor is made for the operation at autarkic hydrologic measurement stations: It is flexible and efficient due to its very low power consumption......
more

PLS
Robust ceramic pressure probe OTT PLS for precise and reliable measurement of water levels in ground- and surface waters....
more

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