Model 3250 LevelVent 6 Datasheet

solinst 3250 levelvent 6 vented water level dataloggers

LevelVent 6 Water Level Datalogger

Model 3250

The Solinst LevelVent 6 is a vented version of our popular Levelogger®. The highly-accurate datalogger is designed to record water level and temperature measurements during shallow groundwater and surface water deployments.

The LevelVent 6 logger contains pressure and temperature sensors, a 10-year battery, memory for up to 150,000 data logs, and a hydrophobic filter, housed in a 22 mm x 173 mm (7/8″ x 6.8″) stainless steel enclosure. Its Faraday cage design protects against power surges or electrical spikes caused by lightning.

The LevelVent uses a gauged pressure transducer; it is open to the atmosphere via a vented cable to the wellhead. The compact LevelVent wellhead is designed to fit in a Solinst 2″ Well Cap Assembly, and provides easy connection for communication accessories.

The vented cable and Solinst LevelVent 6 logger are protected from moisture by permanent, built-in desiccants and hydrophobic filters in the logger and the wellhead.

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.

 

Vented Datalogger Advantages

  • Continuous, reliable water level data for long-term monitoring projects
  • No barometric compensation required, saving data processing time
  • Instant water level data for real-time aquifer test results
solinst model 3250 levelvent vented water level dataloggers

LevelVent 6 Features

  • High-speed, reliable communication with a Mk3 USB-C PC Interface Cable
  • Gauged pressure sensor for highly-accurate water level measurements: 0.05% FS
  • Compact wellhead makes deployment simple using a Solinst 2″ Well Cap Assembly
  • Communication cables and accessories connect directly to the wellhead
  • Long-lasting battery included in logger
  • Built-in hydrophobic filters and desiccants – no need to replace, reduces maintenance

LevelVent 6 Applications

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

LevelVent 6 Programming & Communication

The LevelVent 6 is programmed and data downloaded using Solinst Levelogger Software and a high-speed Mk3 USB-C PC Interface Cable. It can also be used with the Solinst Levelogger App Interface, Solinst Readout Unit (SRU) and DataGrabber. All accessories and PC Interface Cable conveniently connect directly to the LevelVent 6 wellhead.

Integrate the LevelVent 6 with Solinst Telemetry Systems, which use the latest wireless technologies. The LevelVent is also compatible with SDI-12 and MODBUS networks by use of a Solinst SDI-12/ MODBUS Interface Cable.

For deeper, hard to access applications, or areas that are prone to flooding, the Levelogger 6 Series of absolute pressure water level dataloggers are also options (see Model 3001 Levelogger 6 Data Sheet).

solinst 3250 levelvent with wellhead installed with vented cable setup
Models
Full Scale (FS)
Accuracy
Resolution
M5
5 m (16.4 ft)
± 0.3 cm (0.010 ft)
0.001% FS
M10
10 m (32.8 ft)
± 0.5 cm (0.016 ft)
0.0006% FS
M20
20 m (65.6 ft)
± 1 cm (0.032 ft)
0.0006% FS

LevelVent 6 Logger Specifications

Level Sensor:
Piezoresistive Silicon with Hastelloy Sensor
Accuracy:
± 0.05% FS Typical
Stability of Readings:
Superior, low noise
Resolution:
0.001% FS to 0.0006% FS
Units of Measure:
m, cm, ft., psi, kPa, bar, ºC, ºF
Normalization:
Automatic Temperature Compensation
Temp. Comp. Range:
0º to 50ºC
Temperature Sensor:
Platinum Resistance Temperature Detector (RTD)
Operating Temperature:
-20ºC to 80ºC
Temp. Sensor Accuracy:
± 0.05ºC
Temp. Sensor Resolution:
0.003°C
Parameters:
Specifications:
Battery Life Estimate:
10 Years — based on 1 reading/minute
Clock Accuracy (typical):
± 1 minute/year (-20ºC to 80ºC)
Maximum # Readings:
150,000 sets of readings (dedicated backup memory for latest 20,000 readings)
Memory:
Slate and Continuous
Communication:
38.4k baud with Mk3 USB-C PC Interface Cable, 9600 with Solinst USB, SDI-12, MODBUS
Size:
22 mm x 173 mm (7/8" x 6.8")
Weight:
190 grams (6.7 oz)
Other Wetted Materials:
Delrin®, Viton®, Polyurethane (TPU boot) 316L stainless steel
Sampling Modes:
Linear, User-Selectable Schedule with Repeat & Pause Modes, Event, Future Start, Future Stop, Real-Time View
Measurement Rates:
1/8 sec to 99 hrs
Barometric Compensation:
Automatic
solinst 3250 levelvent wellhead assembly

LevelVent 6 Wellhead Assembly

LevelVent 6 Wellhead Specifications

Parameter:
Specification:
Materials:
Black Delrin, Nickel plated Zinc, Viton
Dimensions:
30 mm x 76 mm (1.2" x 3.0")
Operating Temperature:
-20ºC to 80ºC
IP Rating:
IP 64 (dust-tight and splash proof)

LevelVent 6 Vented Cable Options

Solinst LevelVent 6 vented cable assemblies are available in custom lengths of up to 152.4 metres (500 feet).

Vented cables contain communication wires, as well as a vent tube running the length of the cable. Vented cables provide direct read communication from the LevelVent 6 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 LevelVent 6 logger and wellhead, using twist connections. A 2″ Well Cap Assembly and hanger bracket are included to support the wellhead and vented cable when deployed.

LevelVent 6 Vented Cable Specifications

Parameter:
Specification:
Wetted Materials:
Polyurethane, Nickel plated Brass, Viton
Diameter:
Cable: 8 mm (0.32") Connectors: 20 mm (0.79")
Lengths:
1 to 500 ft
Min. Bend Radius:
25 mm (1")
Operating Temperature:
-20ºC to 80ºC
solinst 3250 levelvent vented water level datalogger vented cable

Telemetry Applications

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Integrate the LevelVent 6 with Solinst Telemetry Systems, which use the latest wireless technologies.

solinst levelsender cellular telemetry system

Solinst Levelogger App Interface

The Levelogger App Interface uses Bluetooth® technology to connect your LevelVent 6 to your smart device. With the Solinst Levelogger App, you can download data, view real-time data, and programme your dataloggers (see Model 3001 Levelogger App Interface data sheets).

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solinst levelogger app interface

DataGrabber

The DataGrabber is a field-ready data transfer device that allows you to copy data from a LevelVent 6 onto a USB flash drive key, with one push-button. The DataGrabber is compact and very easy to transport.

solinst datagrabber data transfer device

Versatile Submersible Water Level Transmitter

Solinst also offers the Model 301 Water Level Temperature Sensor for communication using MODBUS, SDI-12, or 4-20mA interchangeable as needed. It provides continuous, stable water level and temperature transmission with options for vented and absolute pressure sensor setups. The Water Level Temperature Sensor is easy to integrate into existing monitoring systems, e.g. SCADA or PLC, and can be used to measure hydrostatic liquid levels long-term in industrial, municipal, and environmental applications (see Model 301 Water Level Temperature Sensor data sheet).

solinst 301 water level temperature sensors

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®Viton is a registered trademark of The Chemours Company FC, LLC

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