In-Situ Level TROLL 400 Level Sensor

  • Accurate measurements

    Of water level, pressure and temperature
  • Superb Accuracy

    Readings within ±0.1%
  • Ideal for long term deployments

    With a large internal storage capacity
  • In-Situ Level TROLL 400 Level Sensor

The In-Situ Level TROLL 400, is a non-vented water level, pressure and temperature logger and part of the In-Situ Level TROLL family. The Level TROLL 400 is available in four pressure ranges and is ideal for monitoring situations when barometric compensation is not required, or practical. However, the TROLL 400 can be configured with a In-Situ BaroTROLL to compensate for barometric pressure fluctuations. The TROLL 400 is ideal for applications such as, long term monitoring, storm water management and stream gauging.


  • Linear, fast linear and event logging modes
  • Available in four pressure ranges
  • Integration with SCADA or telemetry solutions
  • Real time data access
  • Simultaneous program operation


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