Level Troll 400 Data Logger

Measures and logs water level, water pressure and temperature in a low-maintenance system. Ideal for long-term monitoring where well diameter, reliability and accuracy are top concerns.

Level TROLL 500 Data Logger

A cost-effective, sub 1-inch, vented option suited for a variety of fresh, saline and contaminated water applications.

Level TROLL 700 Data Logger

In-Situ’s premier water level logger, ideal for groundwater professionals who require higher data resolution, expanded memory and advanced logging modes for specialized applications.