Civil engineering & Material Testing equipments

Intelligent geotextiles vertical permeability tester

Model: GT-020I

Standards: EN ISO 11058

It’s a automatic geotextiles vertical permeability tester, the test can be controlled by computer, suitable for geotextiles, fabrics, fiber grid, Filter material, sintered plate, perforated metal board, complies to the EN ISO 11058 standard.

Features 

The measured value number is limited automatically by test time

Automatic pumping and level balancing 

Pressure difference method adopted, two cylinder system and pressure sensor

Software function: automatic temperature offset, zero point and final value correction

Computer controls the flow rate

Digits and graph indication

 

Technical specifications

  1. Sample test diameter: 67.8mm
  2. Sample diameter: 75mm
  3. Sample thickness range: 0.1-10mm
  4. Test range flow rate: 0.01-0.5m / s
  5. Measurable water pressure difference between two cylinders: 333-540mm
  6. Temperature display / analysis accuracy: automatic temperature compensation 0.1K
  7. Measurement repeatability: CV ≤3%, speed is 0.1 / s

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