In-Situ
In-Situ Inc. designs, manufactures, instrumentation for measuring water. Applications include water and wastewater treatment, aquifer characterization, mining, oil/gas, remediation, aquaculture, and more.
Product Categories

Records water level, pressure, and temperature. Non-vented only options available. Periodic data download.

Records water level, pressure, and temperature. Non-vented only options available. Use for real-time data applications.

Records barometric pressure to compensate for changes in water level due to barometric fluctuations. Titanium construction, 1-inch diameter.

Non-Vented only (for vented use Model 500). The model 400 records water level, pressure, and temperature.

Vented only. Increased accuracy compared to non-vented units (i.e. LevelTroll 400). Records water level, pressure, and temperature in sub-1 inch applications.

Vented and Non-Vented. Specialized for aquifer characterization. Records water level, pressure, and temperature.

Vented only. Meets the OSW Surface-Water Specification. Records water level, pressure, and temperature.

Accuracy: ±0.05% FS TEB from -5 to 50° C (23 to 122° F). Highly Recommended. Includes mA, ModBus and SDI-12 Outputs. Eliminates the need for an STE (Sensor Termination Enclosure) for maintenance-free operation.

Measures water pressure with 4-20 mA output signal. Quick disconnect cable attaches to pressure sensor.

Flexible multi-parameter sonde with interchangeable sensors, the Aqua TROLL 500 replaces multiple instruments and saves time in the field to reduce overall monitoring costs.

Flexible multi-parameter sonde with interchangeable sensors, and internal power and data logging. The Aqua TROLL 600 replaces multiple instruments and saves time in the field to reduce overall monitoring costs.

The Water Level Meter 100 is an economical model, with a Kevlar-reinforced polyethylene tape and stainless steel conductors. Available in various sizes and lengths.

Engineer-grade tape designed for groundwater professionals, with high-tensile steel tape and stainless steel conductors. Available in various sizes and lengths.

All-in-one multiparameter process probe designed to measure 12 water parameters.

Low maintenance optical measurement of dissolved oxygen and temperature in process applications.

NEW! Use your iOS™ or Android™ mobile device to check dissolved oxygen levels instantly.

Measures and records water level & pressure, conductivity, and temperature. Vented or non-vented. Sensor body is made of titanium.

Measures and records conductivity and temperature, the sensor body is Titanium construction.

Provides wireless communication between a cabled, deployed Rugged TROLL 100 or 200 and a PC/laptop or Android mobile device.