The Manual Liquid Limit Device (Casagrande) are used to determine the moisture content at which clay soils pass from plastic to liquid state. The Devices consist of an adjustable crank and cam mechanism, a blow counter and a removable brass cup fitted on the base. Different models with the same shape but with different base and cup weights are available according to the required specifications.
S5800 model are supplied with a ASTM type plastic grooving tool.
S5805 model is supplied with a BS type plastic grooving tool.
Other types of grooving tools should be ordered separately.