The purpose of this test instrument is to test the maximum and minimum void ratio of without cohesion soil, used to calculate the relative density, to learn about the soil situation in the natural or compacted state and the stability of the soil particles structure.

Main technical parameters:
Graduated cylinder: volume **0cm3, ***0cm3
Long-necked funnel: neck diameter 1.2cm
Volume; **0cm3  inner diameter 5cm height: *2.7cm
Volume: ***0cm3 inner diameter *0cm height *2.7cm
Hammer: hammer dropped height *5cm ,Weight 1.*5Kg