Proctor Needle (Hydraulic Type)- Engineering Lab Training Systems Description and Specifications for Lab Tenders
Proctor Needle (Hydraulic Type)- Engineering Lab Training Systems.
Type is identical to (Spring Type) except that the
penetration pressure on the needle is conveyed through a
hydraulic system on a hydraulic pressure gauge 0-70 kg. x 1 kg.
This system permits a greater control over the rate of better visibility
of load indication. It consists of body consisting of a bellow housing.
casing pipe, and pressure gauge, Handles, 2 off, small stem graduated
at 12.5 mm intervals to indicate the depth of penetration and for use
with needles of smaller area. One Needle point set comprising one each
of 0.25, 0.5, 1, 1.5, 2, 3, 5 and 6 sq. cm. and one tommy pin. All
supplied in a wooden carrying case.