【Scope of application】

The vertical permeability tester for geosynthetics is a horizontal constant head tester designed and manufactured in accordance with the requirements of the new national standard GB/T15789-2005 and the new release of the Ministry of Communications of the "Highway Engineering Geosynthetics Test Regulation JTG E50-2006". It is suitable for testing the vertical permeability of various geotextiles and composite fabrics with water permeability under constant water head.

【Related standards】

GB/T15789-2005 Method A

JTG E50-2006 "Test Regulations for Geosynthetics of Highway Engineering"

T114-2006 vertical performance test (constant head method)

【Principle Overview】

The velocity of water flowing perpendicular to the plane of the geotextile under the unit hydraulic gradient (mm/s)

【technical parameter】

1. Large head difference: 250mm

2. The inner diameter of the holder: ∅50.5mm

3. Water head difference adjustment method: electric adjustment

4. Output: 7.8-inch true color touch screen

5. Water head difference measurement method: sensor measurement

6. Testable sample thickness: 0.1～20mm

7. Thermometer range: 0-100℃

8. Time controller: 0-999.9 seconds can be set arbitrarily, with a control accuracy of 0.1S

9. Water head measurement accuracy: 0.2 mm

10. Dimensions: 750×700×1900 (mm)

11. Power supply: AC220V

12. Weight: 105Kg

Supporting auxiliary equipment: degassing constant temperature water processor (optional), dissolved oxygen meter (optional)