Description: It is used to determine the penetration coefficient when the sand soil and the incoherence soil which has few broken-stones to carry on the permeability test under constant head.???
Specification:
1.Inside diameter of the cylinder: Dia100mm.
2.Height of the cylinder: 400mm.
3.Three measuring pressure holes.
4.Distance between the measuring pressure pipe: 100mm.
5.Size of the instrument: 400×226×146mm.