Sensors
OTT RLS
Non-contact radar level sensor

Non-contact water level sensor for long term surface water measurements.
LeafletOTT PLS
Pressure Level Sensor

Robust ceramic pressure transducer for water level measurement.
LeafletOTT CBS
Non-contact, bubbler sensor for longterm surface water level monitoring

Sensor meets or exceeds USGS standards for accuracy, and will not drift over time.
LeafletOTT Orpheus Mini
Pressure level transducer with datalogger for longterm groundwater monitoring

It features a robust ceramic measuring cell for long term accuracy and its built in datalogger manages and stores all measurements at user-programmable intervals.
LeafletOTT ecoLog 800
Groundwater level and conductivity sensor with built-in datalogger and telemetry

Self-contained system for measurement of water level, temperature, and conductivity in groundwater and surface water applications.
LeafletOTT ecoLog 500
Water level sensor with built-in datalogger

The OTT ecoLog 500 is a complete system for water level and temperature measurement.
LeafletSTS RS485
Water level measurement probe

Multi-parameter probe for measurement of water level, pressure, temperature and conductivity with digital data logger.
Leaflet