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Water Level Logging Instruments

Data logging water level sensors are ideal for observing flow patterns, testing pumps, and monitoring groundwater, well, tank and tidal levels long-term or short-term. The data that they collect and store can be downloaded to a portable computer in the field.

Geotech offers a wide variety of water level logging instruments for any application.

In-Situ Level TROLL®
Water Level Monitors and Loggers

In-Situ Level TROLLs
Level TROLL 700, 500, 400, and  BaroTROLL

Get water level data the way you want it, when you want it with industry-leading water level/pressure and temperature data loggers. By partnering with In-Situ® Inc., you receive durable Level TROLL® Data Loggers that provide years of service, accurate results, intuitive software, and real-time functionality.

Call 1.800.833.7958


In-Situ Level TROLL Specifications
In-Situ Level TROLL Operator's Manual

Seametrics PT2X Submersible Pressure/Temperature Smart Sensor with Data Logging

Seametrics PT2X

The PT2X Smart Sensor is a pressure and temperature sensors with internal data logger. Constructed with rugged 316 stainless steel or titanium, the PT2X is ideal for monitoring groundwater level, storm water runoff, and surface water gauging. The PT2X is a gauged sensor that can be operated independently or networked with other Seametrics Smart Sensors. The sensor is easily programmed and monitored using the included Aqua4Plus software.

Call 1.800.833.7958


Seametrics PT2X Specifications
Seametrics PT2X Instructions

Seametrics Aqua4Plus Software Downloads:

Aqua4Plus Software
Aqua4Plus Instructions
Aqua4Plus Quick Start Guide
Upgrading Older CT2X and PT2X Sensors

Geotech Gauge Pressure Transducers

Geotech Gauge Pressure Transducers
Geotech Gauge Pressure Transducers
with Optional Surge Suppressor (Right)

Geotech Gauge Pressure Transducers are vented in the cable for barometric compensation of level readings. Geotech Vented Gauge Pressure Transducers are suitable for all pressure range measurements. User specified pressure ranges from .2-10 BAR (3–150 PSI).


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In-Situ Aqua TROLL® 100
and 200 Instruments

In-Situ Aqua TROLL 100 and 200
In-Situ Aqua TROLL 100 and 200

Conductivity measurements can be used to characterize water quality changes relative to a baseline or to estimate the concentration of contaminants. The In-Situ® Aqua TROLL 100 and Aqua TROLL 200 Instruments measure and log conductivity and temperature. The Aqua TROLL 200 adds water level logging.

Call 1.800.833.7958


In-Situ Aqua TROLL 100 & 200 Specifications
In-Situ Aqua TROLL 100 & 200 Manual

Seametrics CT2X Submersible Smart Sensor Conductivity/Temperature with Depth/Level Option

Seametrics CT2X

The CT2X Smart Sensor is a pressure, conductivity, and temperature sensor with internal data logger. Constructed with rugged 316 stainless steel or titanium, the CT2X is ideal for monitoring groundwater level, saltwater intrusion, and discharge monitoring. The CT2X is a gauged sensor that can be operated independently or networked with other Seametrics Smart Sensors. The sensor is easily programmed and monitored using the included Aqua4Plus software.

Call 1.800.833.7958


Seametrics CT2X Specifications
Seametrics CT2X Instructions

Seametrics Aqua4Plus Software Downloads:

Aqua4Plus Software
Aqua4Plus Instructions
Aqua4Plus Quick Start Guide
Upgrading Older CT2X and PT2X Sensors

Geotech Pressure Transducers

Geotech Pressure Transducers
Geotech Pressure Transducers
with Optional Surge Suppressor (Left)

Absolute Pressure Transducers are used to measure the absolute pressure exerted by the atmosphere plus the pressure exerted by fluid that overlies the instrument sensor. Absolute Pressure Transducers are used in systems where atmospheric pressure variation is known and accounted for. User specified pressure ranges from 1-100 BAR (15-1500 PSI).

Sealed Gauge Transducers are used for applications measuring 13.8 BAR (200 PSI) and higher. Sealed Gauge Transducers do not compensate for changes in local atmospheric pressure, they are calibrated to a sealed nominal atmospheric pressure. User specified pressure ranges from 7-100 BAR (100-1500 PSI).


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In-Situ Rugged TROLL®

Water Level Monitors and Loggers

In-Situ Rugged TROLLs
Rugged TROLL 200, Rugged TROLL 100,
and Rugged BaroTROLL
Wireless Rugged TROLL Com
Wireless Rugged TROLL Com

The Rugged TROLL 100 and 200 instruments are designed for long- and short-term groundwater and surface-water monitoring. The non-vented (absolute) instruments monitor and record changes in water level, pressure, and temperature. Use with a Rugged BaroTROLL® instrument for optimum accuracy. All instruments are compatible with the user-friendly Win-Situ® 5 or VuSitu® Mobile App software platform for programming and data retrieval.

Call 1.800.833.7958


In-Situ Rugged TROLL Specifications
In-Situ Rugged TROLL Operator's Manual

Seametrics LevelSCOUT 2X

Submersible Water Level Smart Sensor
with Data Logging

Seametrics LevelSCOUT 2X
LevelSCOUT 2X Water Level Smart Sensors
Cableless & Cabled Versions

The LevelSCOUT 2X is the next generation of economical smart instruments designed to record water level and temperature measurements. Featuring a low maintenance absolute sensor, the LevelSCOUT 2X can operate either stand-alone or paired with a BaroSCOUT 2X for atmospheric pressure compensation. Sensor set-up and operation is simple with the included Aqua4Plus software.

Call 1.800.833.7958


Seametrics LevelSCOUT 2X Specifications
Seametrics LevelSCOUT 2X Instructions

Seametrics Aqua4Plus Software Downloads:

Aqua4Plus Software
Aqua4Plus Instructions
Aqua4Plus Quick Start Guide

Seametrics PS9800 and PS98i Pressure Transmitters

PS98i and PS 9800 Pressure Transmitters
PS98i and PS9800 Pressure Transmitters

Seametrics PS9800 and PS98i pressure transducers are designed to provide trouble-free submersible operation in liquid environments. They feature a rugged and stable piezo-electric media isolated pressure element that is calibrated using process controlled NIST traceable equipment.

Call 1.800.833.7958


Seametrics PS9800 and PS98i Specifications
Seametrics PS98i and PS9800 Instructions
Geotech 4-20mA Display Operation Manual

In-Situ Level TROLL 700H Instrument

In-Situ Level TROLL 700H

Now you can comply with the Office of Surface Water by using the most accurate pressure transducer available. The Level TROLL 700H meets the surface-water specification of ±0.01 foot.

Call 1.800.833.7958


In-Situ Level TROLL 700H Specifications
In-Situ Level TROLL 700H Operator's Manual

Seametrics BaroSCOUT

Barometric/Temperature Smart Sensor
with Data Logging Seametrics BaroSCOUT

The BaroSCOUT data logger measures and logs barometric pressure and temperature. The sensor can be used with non-vented (absolute) smart sensors to compensate for barometric pressure fluctuations. The included Aqua4Plus software automatically corrects for barometric pressure when data from smart sensors and the BaroSCOUT are imported.

Call 1.800.833.7958


Seametrics BaroSCOUT Specifications
Seametrics BaroSCOUT Instructions

Seametrics Aqua4Plus Software Downloads:

Aqua4Plus Software
Aqua4Plus Instructions
Aqua4Plus Quick Start Guide

Seametrics PT12 Pressure Transmitter

Seametrics PT12 Pressure Transmitter

Seametrics PT12 pressure transducers are designed to provide trouble-free submersible operation in liquid environments. PT12 features a rugged and stable piezo-electric media isolated pressure element that compensates for temperature using an onboard digital chip.

Call 1.800.833.7958


Seametrics PT12 Specifications
Seametrics PT12 Instructions

Global Water WL16 Water Level
Data Loggers

Global WL16 Water Level Data Logger

The Global Water Level Logger monitors and records water level data. It can record up to 81,759 readings and is programmable from one reading per second to one reading per day. Pressure ranges of 0-3', 0-15', 0-30', 0-60', 0-120', and 0-500' are available. A 25 foot cable is standard, with optional cable lengths to 500 feet available.

Call 1.800.833.7958


Global Water WL16 Specifications

Seametrics PT2X-BV Barometric/Vacuum Sensor
with Datalogging

Seametrics PT2X-BV

Built on the PT2X Pressure & Temperature Smart Sensor platform, the PT2X-BV is an ideal barometric reference for absolute versions of PT2X pressure sensors.

Storing over 130,000 records of pressure, temperature and time data, this sensor features easy-to-use software and operates on low power – using two AA batteries during normal output or an auxiliary power supply for data-intensive applications.

Call 1.800.833.7958


Seametrics PT2X-BV Specifications
Seametrics PT2X-BV Instructions

Seametrics Aqua4Plus Software Downloads:

Aqua4Plus Software
Aqua4Plus Instructions
Aqua4Plus Quick Start Guide