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Solinst AquaVent 5 Ventilert Vannstands-logger

Solinst Aquavent registrerer vannstand og temperatur i grunnvann og overflatevann med høy nøyaktighet. Den inneholder trykk- og temperatursensorer, hydrofobe filter og datalogger i en casing (22 mm x 178 mm) av rustfritt stål.

  • Kalibrert trykkgiver med ventilert kabel korrigerer automatisk for barometertrykk
  • Opptil 120.000 lagrede målinger kan overføres med enkel programvare
  • Valgmuligheter med tilkobling til Levelogger App Interface eller via Modbus eller SDI-12


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.

  • 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
  • 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.

AquaVent Logger
  • Level sensor: Piezoresistive silicon with Hastelloy sensor
  • Level accuracy: +/-0,05% FS
  • Stability of readings: Superior, low noise
  • Units of measure: m, cm, ft., psi, kPa, mBar, C, F
  • Normalization: Automatic temperature compensation
  • Temperature compensation range: 0 to 50°C
  • Temperature sensor: Platinum Resistance Temperature Detector (RTD)
  • Temperature sensor accuracy: +/-0,05°C
  • Temperature sensor resolution: 0,003°C
  • Batteries: 4 x 1,5V AA lithium in wellhead, user-replaceable
  • Battery life: 8 Years - based on 1 reading/minute
  • Clock accuracy: +/-1 minute/year (-20°C to 80°C)
  • Operating temperature: -20°C to 80°C
  • Thermal response time: 3-5 minutes
  • Maximum # readings: 40.000 readings FRAM memory, or up to 120.000 using linear data compression
  • Memory: Slate and continuous
  • Communication: 9600 bps Solinst USB, 1200 baud SDI-12, Modbus RS-485/RS-232 (various speeds)
  • Size: 22 mm x 178 mm
  • Weight: 129 grams
  • Wetted materials: Delrin, Viton, 316L stainless steel, Hastelloy
  • Sampling modes: Linear, event & user-selectable with repeat mode, future start, future stop, real-time view
  • Measurement rates: 1/8 sec to 99 hrs
  • Barometric compensation: Automatic
AquaVent SP/SPX Wellhead
  • Materials: Polypropylene, Delrin, 316 stainless steel, Viton, Polyamide
  • Dimensions: 102 mm x 140 mm (4,0” x 5,5”)
  • Operating temperature: -20°C to 80°C
  • IP rating: IP-64 (dust and splash proof)
  • Batteries: 4 x 1,5V AA lithium, user-replaceable
  • Dimensions: 102 mm x 140 mm (4,0” x 5,5”)
AquaVent Vented Cable
  • Wetted materials: Polyurethane, 316 stainless steel, Viton
  • Diameter: Cable: 8 mm (0,32”), connectors: 22 mm (0,86”)
  • Lengths: 1 to 500 ft
  • Operating temperature: -20°C to 80°C

  • Number of installations
  • Instrument range (5, 10 or 20 m)
  • Cable length (up to 500 feet)
  • Communication cable type (USB, Levelogger App Interface/DataGrabber, SDI-12, RS-232 Modbus, RS-485 Modbus)
  • Wellhead type (SP for USB/App Interface/DataGrabber communication, SPX for SDI-12/Modbus)
  • Installation on 2” or 4” well

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