Expansive Soil Roughness Permeability Tester
Determines micro-permeability under a defined pressure and computes the permeability coefficient over a given time through sample thickness, per SL/T 237-1999. Range 0.01-300 W; 220 V, 300 W; max pressure 1000 kPa; dimensions 620x500x1700 mm.
| Parameter | Specification |
|---|---|
| Standard | GB/T 50123 (variable-head permeability) |
| Specimen size | φ61.8 × 40 mm |
| Porous stone | 79.1 × 10 mm / 61.8 × 10 mm |
| Variable-head tube | φ10 mm, length 2 m, division 1 mm |
| Pressure resistance | 200 kPa |