The Rugged TROLL 100 is In-Situ’s most economical option for measuring and logging water level, water pressure,

Rugged TROLL 100 Data Logger

Rugged TROLL 100 Data Logger

and temperature. This non-vented (absolute) water level logger is ideal for flood-prone or high humidity environments, allowing you to periodically download data with the Rugged TROLL Docking Station. Plus, titanium construction gives you long-lasting performance in fresh or saline groundwater and surface-water environments.


  • Non-vented (absolute) pressure measurements
  • Available in pressure ranges up to 250 ft (76 m).
  • 2.62 cm (1.03 in.) diameter
  • 2MB of memory with 120,000 data sets and 360,000 data points
  • Suspension wire deployment
  • Titanium body with Delrin nose cone and backend
  • 10-year internal battery
  • Download data via Rugged TROLL Docking Station
  • NIST calibration report


  • Minimize project costs – Economical water level logger is affordable on any budget, with titanium construction that outlasts coated stainless steel data loggers.
  • Zero maintenance – Water level logger requires no desiccant, and batteries last 10+ years.
  • Simplify setup and data retrieval – Easily program and download data with the Rugged TROLL Docking Station (sold separately).
  • Quick and easy data-sharing – View and share data on the spot using your mobile device. Intuitive VuSitu Mobile App is an all-in-one software package that provides auto-configuration, simplified calibration, directed data analysis, and automated report creation.


  • Level/Pressure/Temperature Data Logger
  • Backshell Hanger
  • Win-Situ 5 Software