The TROLL 9500 is a powerful, customizable groundwater and surface water monitoring instrument with a low cost of ownership. Housing up to nine sensors that can be switched out on the fly — including pH, conductivity, ORP, turbidity and more — the TROLL 9500 is ideal for multi-parameter monitoring in estuary evaluations, low-flow sampling and remediation projects.
Aqua TROLL 600 Multiparameter Sonde
With revolutionary water quality sensors, built-in LCD display and rugged reliability, the Aqua TROLL 600 from In-Situ is the ideal choice for your site. This powerful multiparameter sonde is fully customizable to suit the needs of your site.
smarTROLL Multiparameter Handheld
The future of water quality monitoring has arrived! The revolutionary In-Situ smarTROLL Multiparameter Handheld allows you to monitor 14 parameters through an app on your Android™ or iOS™ mobile device. The mobile app easily guides you through spot checks, calibrations, and data management.
Aqua TROLL 200
Small enough to fit in a monitoring tube less than one inch in diameter, the AquaTROLL 200 expands on the capabilities of In-Situ's LevelTROLL line by measuring and logging conductivity data in addition to temperature, pressure and water level. Resistant to pressures up to 500 psi, the Aqua TROLL 200 can be used in long-term discharge monitoring projects, aquifer storage and recovery, recovery water monitoring at hydraulic fracking sites and more.
Aqua TROLL 100
Easy to use and deploy, the Aqua TROLL 100 measures and records conductivity and temperature. This data logger features small 1-inch design, solid titanium construction and a NIST calibration report for guaranteed accuracy.