Solinst AquaVent 5 Vented Water Level Logger

The Solinst AquaVent records accurate water level and temperature measurements in shallow groundwater and surface water applications. It combines pressure and temperature sensors, hydrophobic filters and datalogger within a 7/8" x 7" (22 mm x 178 mm) stainless steel housing.

The AquaVent 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 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 FRAM memory can hold up to 120,000 data sets when programmed in Solinst Levelogger® Software with a compressed linear sampling mode.

Applications

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

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
• Use with Solinst software for multiple logging options including linear, event, and scheduled sampling

AquaVent Communication Wellhead

The AquaVent Communication Wellhead fits conveniently onto a 2" (50 mm) well casing (a 4" Well Adaptor is available).

There are two options: the SP Wellhead has a connection for communicating with Solinst software and accessories; the SPX Wellhead has an additional connection for communicating with third party dataloggers or telemetry systems using MODBUS (RS-232/RS-485) or SDI-12 protocols.

Each Wellhead contains four (4) 1.5V AA lithium batteries that power the AquaVent logger. They are user-replaceable and can last 8 years based on 1 reading per minute (the internal AquaVent logger battery is only used to maintain the clock).

For permanent moisture protection, the Wellheads contain multiple built-in desiccants and have a hydrophobic filter where the vented cable terminates at surface.