Rugged TROLL 200 Data Logger


The Rugged TROLL 200 is designed for long- and short-term groundwater and surface water level monitoring. It is available in several pressure ranges up to 250 ft (76 m). This reliable water level logger featuring 3D factory calibration, enhanced reliability and our unique anti-drift system will operate for years maintenance free. Easily program and download data with the Rugged TROLL Docking Station or Wireless rugged TROLL Com (sold separately) and VuSitu app. Setup, view and download logs directly from your mobile device using a Wireless Rugged TROLL Com and the VuSitu app. Use the Rugged BaroTROLL Data Logger (sold separately) for barometric compensation when needed.   

The Rugged TROLL 200 features titanium construction, is 2.62 cm (1.03 in) in diameter, and comes with 2 MB of memory, with 120,000 data sets and 360,000 data points. Choose the Rugged TROLL 200 Cable length and termination right for your project. And use a Cable Suspension Kit to anchor the cable in place.


3D Factory Calibration

Pressure sensors are calibrated across full pressure and full temperature for accuracy across all field temperatures and certified for NIST® traceable factory calibration.

Rugged TROLL 200 Data Logger 3D Factory Calibration

Enhanced Reliability

Titanium and sealed construction outperforms and outlasts specially coated data loggers. And a sealed battery reduces potential leak paths.

Enhanced Reliability Rugged TROLL 200 Data Logger


Use the powerful VuSitu mobile app to view results instantly from your smartphone or tablet when connected to the Wireless Rugged TROLL Com. Features include Log Setup Assistant, Universal Data File and Simple Data Management for improved efficiency and results.


Extended Shelf Life

The battery indicator on Rugged TROLL 100 and 200 instruments is controlled by an algorithm so that it will not count down until your unit is deployed and has taken at least 1,000 readings or is more than 9 months past its manufacturing date.

Extended Shelf Life


Rugged TROLL 200 Data Logger

Continuous Groundwater Monitoring

Measure water level and water quality over time at local or regional scales.

Learn More…