Used to determine the moisture content while the soil specimen is passing from plastic to liquid state; by measuring the penetration of standard cone free falling into the soil under controlled conditions.

Available in 2 different models:

• Hand-operated model with a digital indicator to be used with a stopwatch
• Semi-Automated model with a digital indicator. Fitted with an electronic digital programmable timer, a magnetic controller device is in place to automatically release the plunger head, allowing the cone to fall during the 5-second test