- Used the evaluate the relationship between the moisture percentage of a soil sample and the number of blows required to close a groove made into the soil;and therefore to determine when a clay soil changes from a plastic to a liquid state.
- Electric operated model with a hard rubber base.
- Complete with Grooving Tool made of brass / ASTM 4318 
- Power Supply : 220V 1PH 50Hz
- Dimensions: 140x170x110 mm 
- Weight: 4.5 Kg