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Rugged TROLL 200 Data Logger


The economical Rugged TROLL 200 measures and logs water level, water pressure, and temperature, also featuring a cabled setup for direct-read or telemetry data access. This non-vented (absolute) water level logger is ideal for flood-prone or high humidity environments, with titanium construction for added durability in fresh or saline groundwater and surface-water environments. Integrate with telemetry systems and HydroVu Data Services for real-time feedback on all of your water monitoring sites.


  • Non-vented (absolute) pressure measurement

  • Available in several 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

  • Download data via telemetry system, Rugged TROLL Docking Station or direct-read cable (sold separately)

  • Titanium body with Delrin nose cone and backend

  • 10-year internal battery

  • Quick-disconnect cable

  • NIST calibration report


  • Faster setup and data collection – Easy-to-use software and flexible download options give you quick data access via telemetry and HydroVu Data Services, direct-read cable or docking station.

  • Reduce project costs – Economical water level logger gives you real-time data on a budget, with titanium construction that outlasts coated stainless steel data loggers.

  • Spend less time in the field – Zero-maintenance water level logger requires no dessicant, and batteries last 10+ years.

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