Submersible Pressure Transducers & Data Loggers

In-Situ, Inc. AquaTROLL 100 and 200
Multiparameter Sonde
Level, Temperature, and Conductivity all from one sub ¾” device. Internal batteries guaranteed for 5 years at a 15 minute data logging interval. Extend deployment times with the TROLLShield Antifouling System to prevent biological fouling within the conductivity sensor.

Level TROLL® 400, 500 & 700 Data Loggers
Rugged Data Loggers
The In-Situ Level TROLL series offers a variety of instruments designed to meet your application and budget. From highly affordable applications with less stringent accuracy requirements all the way up to the highest accuracy available on the market. All Level TROLLs include onboard data-logging and carry a 3-year warranty. Capable of logging water level, temperature, and pressure.

LevelTROLL 400
This sub 1" diameter titanium bodied instrument logs pressure, temperature, and water level. Available as in non-vented ranges from 30 PSI to 500 PSI.

LevelTROLL 500
This titanium instrument is available with a vented or non-vented pressure transducer making it suitable for harsh environments.

LevelTROLL 700
This titanium instrument is available with a vented or non-vented pressure transducer making it suitable for harsh environments. Includes professional logging types needed for aquifer characterization such as linear average, step linear, true logarithmic, and fast linear (4X second).

Virtual Hermit Aquifer Pump Test Kit
Pump Test Kit
Use the Virtual HERMIT Aquifer Testing Kit, exclusively from In-Situ Rentals, to conduct step-drawdown tests and constant-rate pump tests. Monitor an entire well field with one system. Simultaneously configure, start, view, step, or stop all connected instruments. Download data while a test is running.

In-Situ, Inc.’s AquaTROLL 200
Level, Temperature, and Conductivity all from one sub ¾” device. Internal batteries guaranteed for 5 years at a 15 minute data logging interval. Extend deployment times with the TROLLShield Antifouling System to prevent biological fouling within the conductivity sensor. Dynamic density compensation can be used to compensate water level for varying salinity.