Civil engineering & Material Testing equipments

Automatic Vertical water permeability tester ISO 11058 ASTM D4491

Model: GT-020C

Standards

GB/T15789-2016 Method B, ISO 11058 Method B, SL235-2012, ASTM D4491

 

This equipment is specially used for testing the vertical permeability of  permeable geotextiles and composite geotextiles under constant water head. Adopts microcomputer programming, flowmeter acquisition and measurement, digital setting of water head difference, automatic positioning, automatic conversion of permeability coefficient, display, storage, statistics, editing, printing, etc.

 

Specifications

Operation interface 7.8 inch touch color screen
Head difference 0-250mm digital setting, automatic positioning
Inner diameter of holder not less than 50mm
Sample clamping direction vertical clamping
Thermometer range 0-100 ℃ ± 0.2 ℃
Time controller 0-999.9 seconds, arbitrary setting, control accuracy 0.1S
Timing method seconds, minutes, hours (optional)
Head measurement accuracy 0.2 mm
Head adjustment stroke 0-300mm
Velocity unit m/s and mm/s
Test chamber size 490 * 500 * 510mm
Water collection capacity 0-3000ML (measuring cup weighing method) or laser method
Water level measurement accuracy 0.03mm
Test results the instrument automatically converts the results directly, and the permeability coefficient program automatically calculates them
Data output two-way control between host and PC, configured with dedicated computer testing software
Data management can display, store, edit, print and output test reports
Sample clamping method water loading, pneumatic clamping (optional)
Power supply AC220V
Overall dimension 1200 × 650 × 1620mm
Weight 150kg

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