Scope of Application

【Operating Instructions】

Suitable for testing the vertical permeability performance of various permeable geotextiles and composite geotextiles under a constant head condition.

YS020G Vertical Permeability Tester for Geosynthetics

Scope of Application

Suitable for testing the vertical permeability performance of various permeable geotextiles and composite geotextiles under a constant head condition.

Compliance Standards

• GB/T 15789-2005 Method A

• JTG E50-2006 T114-2006 Vertical Performance Test (Constant Head Method)

Principle Overview

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

Technical Specifications

1. Interface: 7.8-inch color touch screen with Chinese interface.

2. Max Head Difference: 250 mm.

3. Clamp Inner Diameter: 50 mm ± 1 mm.

4. Specimen Thickness Range: 0.1 – 20 mm.

5. Thermometer Range: 0 - 100℃ ± 0.1℃.

6. Timer: 0 - 999.9s (Arbitrarily settable), Control Accuracy: 0.1s.

7. Head Measurement Accuracy: 0.2 mm.

8. Loading Method: Underwater loading with quick-clamp fixture for specimens.

9. Dimensions: 650 × 700 × 1550 mm.

10. Weight: 105 kg.