ASTM D4318 , AASHTO T89, T90.
The liquid limit test machine consists of a brass cup suspended from a carriage designed to control its drop exactly 1cm on to a hard rubber base of specified rebound. The cup is attached to the carriage by a removable pin to allow easy removal of the cup. All parts except handle are machined from brass. Rubber feet isolate base from table top. Each machine includes 10 ASTM plastic grooving tools.
E-151 Motorized liquid limit test machine with automatic counter 110V,60Hz
E152 Liquid limit test machine with counter