Proctor Penetrometer, Spring Type

Proctor Penetrometer, Spring Type

Proctor Penetrometer, Spring Type

 

Designed for use in the field for controlling soil compaction
by initial calibration from laboratory tests for
moisture density relationship.The instrument consists
of a barrel housing a spring.
A piston compresses the spring and the piston rod is
calibrated upto 40 kg in 1 kg divisions. Two penetration
stems which can be attached to the other end of
the spring barrel, one at a time, to suit the needle point
being used, are graduated in 1.25 cm divisions.
Supplied with eight needles of 6.0, 5.0, 3.0, 2.0, 1.5,
1.0, 0.5 and 0.25 cm2 area. Complete in a wooden
box.

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