Building better technology
for the civil engineering industry

Building better technology
for the civil engineering industry

Tel: +44 (0)118 945 3737

Tel: +44 (0)118 945 3737

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Permeability Testing System


Permeability Testing System

For prices: call +44 (0)118 945 3737 or Email us

VJ Tech manufactures specific permeability cells for contaminated or non-contaminated samples up to 100 mm (4 inch) diameter.

Permeability testing may also be carried out using a VJ Tech Triaxial Cell or a Rowe Cell (see separate datasheets for sizes available).

The Cell is used with 3 APCs (Cell, Back and Drain Pressure) usually 1 MPa each - however other capacity APCs may be used (see our APC website entries). Our renowned Clisp Studio csPERM software to calculate the Effective and Gradient Pressure, the Head Loss Correction and the Permeability value.

Note that the system shown does not support the measurement of sample dimension changes during the test (applicable to BS EN ISO 17892-11 & ASTM D5084-16).

Permeability Testing System

Features:

  • Cell is hydraulically connected to the 3 APCs
  • The 3 APCs can be controlled from a single PC via a LAN or Ethernet/USB hub
  • csPERM automates the Permeability Test
Each APC has;

  • An Integrated 7” (178 mm) Touchscreen Colour Display for Standalone use if required
  • On-board data logging with large data storage (up to 14 million records) using SD card (8GB standard)
  • One independent channel with Pressure and Volume control and feedback
  • One additional channel for an external sensor
  • Upright cylinder for ease of de-airing
  • High Speed sensor conversion (24 bit, up to 4000 samples/sec)
  • Built-in live data table and graphs
  • Auto reverse from limit switch activation
  • Built-in auto protection for sensor limits

Detailed product specifications

Permeability Cell Up to 100 mm (4 inch) diameter (non-contaminated) sample
Pro Hydraulic Automatic Pressure Controller  Controlling Cell Pressure (1000 kPa (144 psi))
Pro Hydraulic Automatic Pressure Controller     Controlling Back Pressure (1000 kPa (144 psi))
Pro Hydraulic Automatic Pressure Controller  Controlling Drain Pressure (1000 kPa (144 psi))
Pore Water Pressure Transducer 10 bar (145 psi)
Software  Clisp Studio csPERM

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