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

Ltekonline are the manufacturers of Proctor penetrometer used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Soil Testing Lab Equipment for Engineering Teaching Lab in Universities