Specification:

Used for establishing the moisture content-penetration resistance relationship of fine-grained soils. It consists of a special spring dynamometer with pressure indicating scale on the stem of the handle. A sliding ring on the stem indicate the maximum pressure obtained in the test. Supplied in a wooden carrying case.
•    Load scale: 0 to 55 kg , 1 kg subdivisions with max load indicator
•    Diameter of interchangeable needles: 28.55, 24.79, 20.22, 16.54, 12.83, 9.07, 6.40, 5.23 and 4.52 mm