Application: It is used to determine the penetrationcoefficient when the sand soil and the incoherence soil which has few broken-stones to carry on thepermeability test under constant head. 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
