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In-Situ USA

In-Situ Inc. designs, manufactures, and rents water quantity and quality instrumentation for groundwater, surface water, and coastal waters. Known for innovating top-quality water monitoring equipment, they also provide a full-solution offering for decision-quality data via easy integration with telemetry and data services.


Aqua TROLL 400 Multiparameter Probe

The Aqua TROLL 400 can be deployed for months of unattended operation in harsh field conditions. And because it’s easy to install...


Aqua TROLL 500 Multiparameter Sonde

Whether you’re spot checking a tank or conducting long-term monitoring at remote sites, the Aqua TROLL 500 has you covered ...


Aqua TROLL 600 Multiparameter Sonde

The Aqua TROLL 600 is a customizable, powerful multiparameter sonde. It combines industry-leading water quality sensors...


Aqua TROLL 100 Data Logger


The Aqua TROLL 100 Data Logger measures and records conductivity and temperature. A unique conductivity cell design allows for a ...


Aqua TROLL 200 Data Logger


The Aqua TROLL 200 Data Logger measures and records water level, pressure, conductivity, and temperature ...


Rugged TROLL 100 Data Logger


The Rugged TROLL 100 is In-Situ’s most economical option for measuring and logging water level, water pressure...



Rugged TROLL 200 Data Logger

The economical Rugged TROLL 200 measures and logs water level, water pressure, and temperature, also featuring a cabled setup for ...


Water Level Meter 100

This economical water level tape, with a Kevlar-reinforced polyethylene tape and stainless steel conductors...


Water Level Meter 200

This premium, engineer-grade tape is ASME-certified and offers maximum longevity in the field. With high-tensile steel ...



FloPro XCi


Flow and Water Quality Monitoring The FloPro XCi device integrates water quality and quantity monitoring sensors with vital mining


RDO BLUE


RDO Blue uses In-Situ’s patented Optical Rugged Dissolved Oxygen technology, an EPA-approved dissolved ...


RDO PRO-X Dissolved Oxygen Probe

The RDO PRO-X Probe is EPA-approved for Clean Water Act programs, using optical technology to measure dissolved oxygen...



Level TROLL 400 Data Logger

The Level TROLL 400 measures and logs water level, water pressure, and temperature in a maintenance-free system ideal for long-term ...


Level TROLL 500 Data Logger

The Level TROLL 500 is In-Situ’s most popular water level data logger. A cost-effective option suited to a wide variety ...


Level TROLL 700 Data Logger

The Level TROLL 700 is In-Situ’s premier water level data logger, giving groundwater professionals higher data resolution



Level TROLL 700H Data Logger

The Level TROLL 700H, available in a vented (35ft (11m)) configuration, exceeds USGS surface water stage-accuracy specifications...


PXD-261 Pressure Transducer

The PXD-261 Pressure Transducer measures water pressure, with 4-20 mA output for easy connection with data loggers...


BaroTROLL Data Logger

The BaroTROLL Data Logger measures and logs barometric pressure and temperature, data needed to compensate for water level...