Normal head penetrometer for coarse grained soils

ST-300 Coarse Grain Soil Normal Head Permeability Tester is used to determine the permeability coefficient of coarse grain soil and graded gravel with the maximum particle size not more than 75mm.

1. Inner diameter of metal cylinder: 300mm
2. Metal cylinder wall thickness: 10mm
3. Pressure measuring tube inner diameter: 8mm
4. Pressure measuring hole spacing: 50mm
5. Overflow hole inner diameter: 16mm
6. Net weight: about 150kg
7.Package size: 130*68*139
8. Metal cylinder height: 500mm
9. Number of pressure measuring tubes: 5
10. Pressure measuring tube scale: 1mm
11. Diameter of water-permeable hole: 16mm
12. Permeable plate aperture: 3.5mm
13.Volume of water supply tank: 80L
14.Gross weight: 214kg