Product Code Product Description PRS-ZE0180 Semi-Automatic Penetrometer for Liquid Limit, 220-240 V 50-60 Hz PRS-ZE0180/110 Semi-Automatic Penetrometer for Liquid Limit,110 V 60 Hz PRS-ZE0182 Liquid Limit Penetration Test Cone 30° Angle,Stainless Steel PRS-ZE0183 Cone Test Gauge for PRS-ZE0182 PRS-ZE0184 Liquid Limit Penetration Test Cone 60° Angle,Stainless Steel PRS-ZE0185 Cone Test Gauge for PRS-ZE0184 PRSGH-1425 Moisture Content Tin with Lid �:55 mm x h:35 mm, Aluminum PRSGH-1435 Moisture Content Tin with Lid 75 mm x h:50 mm, Aluminum A Cone Penetrometer is used to determine the moisture content at which clay soils pass from a plastic to a liquid state, and used also for the determination of undrained shear strength. The PRS-ZE0180 Semi-Automatic Penetrometer for Liquid Limit consists of a cast iron base with course and fine leveling screws, a digital penetration measurement gauge 0.01 mm resolution/readibility and an automatic penetration timer unit. The PRS-ZE0180 is equipped with a digital, 99 second timer, which can be set to the standard 5 second free-fall time or to some other setting for customized tests. When engaged the timer will allow the needle to free fall into the sample for the specific time interval and then lock the needle from advancing while providing a direct reading of the test results. 320 g weight should be added to the 30° angle cone to get a total weight of 400 g for the shear strength test. Semi-Automatic Penetrometer for Liquid Limit supplied complete with; � Automatic Penetration Timer Unit, � 30° Penetration Cone � Sample Cups, 3 pcs. Aluminium, �55 mm x h:35 mm.