Liquid Limit Device Motorized : Comprises removable brass cup, adjustable crank and cam mechanism, blow counter, and base. Two versions available: hand operated and motor operated. Supplied complete with plastic grooving tool according to the reference standard ordered. With fitted with a motor geared down to give approximately 120 rpm. Suitable for operation on 230 V A.C., Single Phase, 50 Cycles. Spares: case grande grooving tool. ASTM grooving tool, height block, 1 cm high.