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Solinst 3500 AquaVent 5

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Solinst 3500 AquaVent 5

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The AquaVent 5 Vented Water Level Datalogger records accurate water level and temperature measurements in shallow groundwater and surface water applications.

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SKU: 3500-SAV5 | Categories: , ,


The AquaVent 5 Vented Water Level Datalogger records accurate water level and temperature measurements in shallow groundwater and surface water applications. It combines Pressure & Temp Sensors, hydrophobic filters and datalogger within a 22 mm x 173 mm (7/8″ x 6.8″) stainless steel housing with corrosion-resistant coating.

The AquaVent 5 uses a gauged pressure transducer; it is open to the atmosphere via a vented cable to surface. Atmospheric pressure is applied to the transducer diaphragm, providing a cancellation effect for barometric pressure. This results in actual water level recordings.

The vented cable and Solinst AquaVent 5 logger are protected from moisture by built-in desiccants and hydrophobic filters.

The vented pressure transducer is made of Hastelloy®, making it extremely durable and accurate in a wide range of temperature and monitoring conditions. The sensor provides an accuracy of 0.05% FS, and can withstand 2 times over-pressure without permanent damage.

The robust memory can hold up to 150,000 data sets when programmed in Solinst Levelogger® Software.

AquaVent 5 Applications

Ideal for shallow applications: up to 65 ft (20 m) submergence
Aquifer characterization: pumping tests, slug tests, etc.
Stream gauging, lake and reservoir management
Watershed, drainage basin and recharge monitoring
Stormwater and runoff monitoring
Long-term water level monitoring in wells and surface water

AquaVent 5 Features
Gauged pressure sensor for highly-accurate water level measurements: 0.05% FS
Multiple built-in hydrophobic filters and desiccants – no need to replace, reduces maintenance.

Easy-to-access, user-replaceable batteries in Wellhead
Options for MODBUS (RS-232/RS-485) and SDI-12
Separate cables for each communication protocol
Corrosion and abrasion-resistant coating baked-on using polymerization technology

AquaVent 5 Benefits
Automatic barometric compensation reduces time required for post data processing
Integrate into a third-party data collection system for remote real-time data
Continuous, reliable water level data for long-term monitoring projects
Actual water level readings for instant aquifer test results

This product is compatible with STS Edge and Datastream.

Additional information


0.1% FS


10 meters, 20 meters, 5 meters


Data Logging Sensors, Integrated Systems

Available for Rent






High Quality Groundwater and Surface Water Monitoring Instrumentation

In 1975, Solinst began as a small reseller of geotechnical instruments. Through the early 1980’s, founder Doug Belshaw reshaped Solinst into a successful manufacturer of high quality groundwater and surface water monitoring equipment. Doug started by producing the Model 101 Water Level Meter, which provided the first, flexible polyethylene tape with an engineering scale (marked in tenths and feet).

Over the next 30 years, the Solinst product line developed into a full range of instruments, sold worldwide. Products include water level meters, interface meters, groundwater samplers, multilevel groundwater monitoring systems, remediation equipment, drive-point piezometers, and dataloggers and telemetry. In 1996, Solinst introduced the Levelogger® water level datalogger – the first combined absolute pressure sensor and datalogger in the industry.

As the Solinst brand grew, the company expanded to its current home in Georgetown, Ontario. With Jim Pianosi now as president, Solinst remains a successful and stable family-owned business in Canada.

HydroTerra has been working with Solinst as their exclusive representative in Australia for over a decade. Clients in Australia benefit greatly from the long-term collaboration between the two companies, and the superior technical and sales support they receive from such an experienced distributor.