Used to rapidly determine the natural moisture and density for the soil. 1.Floating tube dia.: 4cm( neck ) 2.Cutting ring volume: 200cm3 3.Weight: 123g 4.Proportion of testing soil: 2.60 – 2.70g/cm3 5.Wet bulk density scale range: 1.2 – 2.2g/cm3 6.Dry bulk density scale range: 1.0 – 2.2g/cm3