【Scope of application】

This instrument is used to determine the permeability coefficient of the filter membrane of the plastic drainage board, and its performance meets the requirements of the permeability coefficient of the filter membrane in the test regulations of geosynthetics and the technical regulations for the application of plastic drainage boards in water transportation engineering.

【Related standards】

Technical specification for the application of plastic drainage board in water transportation engineering JTS 206-1-2009

【technical parameter】

1. Display mode: LCD display, menu operation

2. Gradient adjustment range: 0--500mm

3. Water level measurement accuracy: 1mm

4. Upstream room specification: Φ50*200mm

5. Downstream room specifications: Φ50*130mm

6. External gradient box specification: Φ130*110

7. Specification of inner gradient box: Φ80*60

8. Time counter: 0～999s (precision 0.1S)

9. Thermometer range: 0～99℃ (precision 0.1℃)

10. Power supply: Ac220V±10% 50Hz

11. Appearance of the instrument: 750×700×1900 (mm)

12. Weight: 80Kg