I. Main Functions:

This testing equipment features a digital display and manual rotation of the lead screw for pressure application, suitable for expansion pressure tests under volume-constant conditions in various rock expansion tests. It is equipped with a permeable plate and a micrometer gauge, among other testing devices.

Section II: Main Technical Parameters:

1. Test Force: 50KN (10KN)

2. Indication Accuracy: ≤±1% (Better than Grade 1)

3. Compression Space: 0-170mm

4. Column Spacing: 165 mm

5. Fiberglass ring diameter: 141mm

6. Glass Tube Height: 66mm

7. Metal Ring Diameter: 50mm

8. Metal Ring Height: 55mm

9. Host unit dimensions: 320mm x 320mm x 500mm

10. Power Voltage: 220V