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Pneumatic Piezometer

Pneumatic Piezometer Overview

The Pneumatic Piezometer is mechanically simple, inexpensive, reliable and robust. It avoids many of the problems associated with electrical instrumentation.

The Pneumatic Piezometer is designed for accurately measuring pore water pressures in fully or partially saturated soil and rock.

The Pneumatic Piezometer tip comprises an integral porous element with a high quality diaphragm transducer, installed either down a borehole, by burying in fill or by pushing into shallow depths in soft soil.

Twin nylon tubes in a polythene sheath can connect the transducer to a terminal panel or to the portable readout unit directly.

Product Features

  • Low volume change
  • Can be installed in horizontal and upholes
  • Pneumatic tubing is strong and flexible and can be installed in lengths of up to 500m
  • All piezometer components corrosion-proof

Pneumatic Piezometer Data Sheet
File Size: 747 kb
File Type: pdf
Download File

Pneumatic Piezometer User Manual
File Size: 277 kb
File Type: pdf
Download File


Product Benefits

  • Small, accurate and reliable design
  • Fast response
  • Ideal for underground works
  • Suitable for flow or no-flow operation
  • Level of tubing in relation to readout is not critical

Operation

The piezometer is buried in fill, suspended in a borehole or pushed into soil.

Twin tubes connect the transducer within the piezometer tip to either a pneumatic terminal panel or a readout unit. When pore water pressure is exerted on the diaphragm, reverse pressure is applied until pressure equilibrium is reached, then the readout unit displays the reading.

The readout displays engineering-based units. Readings can be taken up to 500m from the tip.

Application

Piezometers are used in geotechnical, environmental, and hydrological applications. They can be installed in boreholes and placed in fill materials or open wells to measure water levels or pore water pressures to enable engineers to verify design assumptions and control placement of fill.

Typical applications include:
  • For environmental management including landfill sites
  • Monitoring of aquifers
  • Monitor tidal effects on coastal soils
  • Dams
  • Embankments
  • Potential landslide sites
  • Dewatering excavations
  • Tailings lagoons
  • Pumping tests
  • Monitor seepage
  • Control placement of fill

Technical Rating

As the correct installation of any monitoring sensor or system is vital to maximise performance and accuracy, Geomotion makes the following recommendations for the skill level of the installation contractor.

Technical Rating for this Product:  ADVANCED

The installer is trained and experienced in the installation of this type of instrument or systems, and is ideally a specialist Instrumentation and Monitoring contractor.

Geomotion offer installation and monitoring services to support this system. For more information please email info@geomotion.com.au or call +61 (8) 9284 0244

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  • Home
  • About Us
    • Experience
    • Projects >
      • Dams & Reservoirs
      • Mining
      • Railways
      • Structures
      • Tunnels
      • Earthworks, Excavations & Landslides
    • Global Partners
    • History
    • Careers
  • Products & Services
    • Instrumentation >
      • Data Loggers & Cables
      • Environmental Monitoring
      • Extensometers
      • Inclination Monitoring
      • Jointmeters & Crackmeters
      • Load Cells & Pressure Cells
      • Monitoring Software >
        • Geomotion Cloud
        • InSAR Monitoring
        • Mission Monitor
      • Readouts
      • Settlement Monitoring
      • Strain Gauges
      • Temperature Sensors
      • Tiltsensors & Tiltmeters
      • Vibration Monitoring
      • Water Monitors, Meters & Piezometers
    • Monitoring Services
    • Rental & Servicing
    • Support
    • Training Sessions
  • Capabilities
    • Data Monitoring
    • Installation
    • Maintenance
    • Supply
  • News Hub
  • Contact Us
  • Client Login