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. 

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

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.

Use the BaroTROLL Data Logger with non-vented (absolute) In-Situ instruments to conveniently measure and log barometric pressure and temperature—data used to compensate for water level changes due to barometric fluctuations.