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.
Flexible Datalogger Communication Options
The AquaVent has options for communicating strictly with Solinst software and accessories, or integrating into a telemetry system, SCADA/PLC system or a third-party datalogger.
The AquaVent can communicate with Levelogger Software. It can be used with the Solinst Levelogger App and Interface, and the DataGrabber™.
For deeper, hard to access applications, or areas that are humid or prone to flooding, the Levelogger Edge absolute pressure water level datalogger is also an option (see Model 3001 Levelogger Edge Data Sheet).
• 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 longterm monitoring projects
• Actual water level readings for instant aquifer test results
• 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
• 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 Communication Wellhead
The AquaVent Communication Wellhead fits conveniently onto a 2" (50 mm) well casing using the well cap base (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 4 1.5V AA lithium batteries that power the AquaVent logger. They are userreplaceable 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.
There are multiple ways to communicate with the AquaVent; convenient Wellhead Cables are available for each option
AquaVent Vented Cable Options
AquaVent Vented Cable assemblies are available in custom lengths of up to 500 feet.
Vented cables contain power and communication wires, as well as a vent tube running the length of the cable. Vented cables provide direct read communication from the AquaVent logger to the Wellhead. The vent tube and wires are jacketed in polyurethane, providing durability and protection.
The vented cables are easily and securely connected to the AquaVent logger and Wellhead, using stainless steel twist connections. A hanger bracket is included with each Wellhead to support the vented cable when deployed.
AquaVent Setup Using Solinst Software
When programming using Levelogger Software, use a USB Connector Cable to connect the AquaVent Wellhead to the computer. ( The AquaVent can also be programmed using the Solinst Levelogger App on your smart device.) Levelogger Software is very intuitive; it automatically detects the type of datalogger connected. All in one screen, fill in your project information and sampling regime. Settings can be saved for easy re-use. There are options for immediate start or future start and stop times.
AquaVent time may be synchronized to the computer clock. The percentage battery life remaining in the Wellhead and the amount of free memory in the datalogger are indicated.
Convenient Sampling Options
The AquaVent can be programmed with linear, event-based, or a user-selectable sampling schedule. Linear sampling can be set from 1/8 second to 99 hours, with memory storage for up to 120,000 data sets using the compressed sampling option.
Event-based sampling can be set to record when the level changes by a selected threshold. Readings are checked at the selected time interval, but only recorded in memory if the condition has been met. A default reading is taken every 24 hours if no event occurs.
The Schedule option allows up to 30 schedule items, each with its own sampling rate and duration. For convenience, there is an option to automatically repeat the schedule.
Data Download, Viewing and Export
Data is downloaded to a PC with the click of a screen icon. There are multipleoptions for downloading data, including ‘Append Data’ and ‘All Data’ The software also allows immediate viewing of the data in graph or table format using ‘Real Time View’.
The level data is automatically compensated for temperature, and the temperature data is also downloaded. The Data Wizard can be used to input manual data adjustments, elevation, offsets and density.
The software allows easy export of the data into a spreadsheet or database for further processing.
The Solinst Levelogger App also allows you to view and save real-time or logged data right on your smart device.
The ‘Self-Test Diagnostic Utility’ can be used in case of an unexpected problem. It checks the functioning of the program, calibration, backup and logging
The Levelogger App Interface uses Bluetooth® technology to connect your AquaVent to your smart device. With the Solinst Levelogger App, you can download data, view real-time data, and program your AquaVent. Data can be e-mailed from your smart device directly to your office (see Model 3001 Levelogger App & Interface Data Sheets).
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