PROCTOR PENETROMETER ( SPRING TYPE)
ASTM D 1558
- Scale graduations from 10 to 130lbf
- Threaded needles are interchangeable
The Proctor Penetrometer is used for determining the penetration resistance of fine-grained soils.
The unit consists of a special calibrated spring dynamometer with a pressure-indicating scale on the stem of the handle.
It comes with a stainless steel adapter stem for larger needles.
The pressure scale is calibrated to 100 lbs. by 1 lb. subdivisions. There is a major division located at each 10 lb. interval.
A sliding ring on the stem indicates the maximum load obtained during the test.
SL 0112 Proctor Penetrometer complete set with needle point.
SL 0112-1 Set of spare needle point (0.25, 0.5, 1, 1.5, 2, 3, 5, 6 cm2)