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Liquid Limit Device


The Cooper Manual and Motorised Liquid Limit Apparatus 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, with 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. Manual and Motorized versions are available.

TS-0200 and 0210 models are supplied with a BS type plastic grooving tool. TS-0202 and 0212 models are supplied with a ASTM type plastic grooving tool. Other types of grooving tools should be ordered separately.


  • ASTM D4318
  • BS 1377:2
  • AASHTO T89


Technical specifications are subject to change without notice.

Manual Motorised
Dimensions mm (W x D x H) 240 x 230 x 150 200 x 290 x 170
Weight (approx.) Kg 2 4.2