For Every Application and Budget

From advanced aquifer characterization to economical data collection, the In-Situ^® Level TROLL^® series of level/pressure instruments yields accurate level measurement and offers powerful data logging and flexible communications. With five models of self-contained data loggers available, you’ll find an instrument suited to your application and budget.

• Level TROLL^® 700—Professional’s choice for accurate water level monitoring and aquifer characterization
• Level TROLL^® 500—Long-term monitoring solution for all applications, even saltwater
• Level TROLL^® 300—Monitoring instrument for fresh water environments
• Aqua TROLL^® 200 instrument—Monitor and log level/pressure, temperature, and conductivity results. Uniquely suited to saltwater, this instrument compensates for fluid density.

Extended Deployments

• Batteries last a minimum of 5 years—guaranteed
• TROLL^® Shield antifouling nose cone protects Level TROLL 500 and 700 sensors against biofouling
• TROLL Shield antifouling guard and nose cone protect the Aqua TROLL 200 sensor at high-fouling sites
  
  

Flexible Communications

• Built-in Modbus/RS485, SDI-12, and 4-20 mA included with each Level TROLL 300, 500, and 700. Easily access telemetry and SCADA systems.
• Win-Situ^® 5 software platform simplifies data collection and management.
  
  

Superior Accuracy

• All instruments undergo an extensive full-scale calibration procedure for pressure and temperature.
• Serialized calibration report included with each instrument.
  
  

Additional Details

For more information, download the Level TROLL family brochure.