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Proctor Needles (Hydraulic Type)

proctor_needles_hydraulic

Proctor Needles (Hydraulic Type) (SL-GT-020)
ASTM D 1558
This is identical to above, except that the penetration pressure on the
needle is conveyed through a hydraulic system to a hydraulic
pressure gauge. This system permits a greater control over rate of
penetration because of better visibility of load indication on the
gauge.
Specification : Comprises hydraulic proctor needle system
complete with a pressure gauge fixed at easily readable angle
reading 0-70 kg x 2 kg. A set of needle points consisting one each
0.25, 0.5, 1.0, 1.5, 2.0, 3.5 and 6.0 sq. cm. and a wooden carrying
case.

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