Scope of Application

【Operating Instructions】

Suitable for conducting vertical permeability performance tests on various permeable geotextiles and composite geotextiles under a constant head.

YS020G Vertical Permeameter for Geosynthetics

Applicable Scope:
Suitable for conducting vertical permeability performance tests on various permeable geotextiles and composite geotextiles under a constant head.

Compliance Standards:
Complies with GB/T 15789-2005 Method A, JTG E50-2006, and T114-2006 Vertical Performance Test (Constant Head Method).

Principle Overview:
Measures the flow velocity (mm/s) of water moving perpendicular to the plane of the geotextile under a unit hydraulic gradient.

Technical Parameters:

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

2. Maximum Head Difference: 250 mm

3. Holder Inner Diameter: 50 mm ± 1 mm

4. Measurable Specimen Thickness: 0.1 - 20 mm

5. Thermometer Range: 0 - 100℃ ± 0.1℃

6. Time Controller: Arbitrarily settable from 0 - 999.9 seconds with a control accuracy of 0.1s

7. Head Measurement Accuracy: 0.2 mm

8. Specimen Loading Method: Underwater loading with a specialized fixture for rapid specimen clamping

9. External Dimensions: 650 × 700 × 1550 mm

10. Weight: 105 kg