Proctor Needle Apparatus Spring Type
Consists of body housing a spring, a plunger calibrated to read 0-40 kg x 1 kg and a handle. Long stem, graduated 12.5mm intervals to indicate the depth of penetration and for use with needles of small area. Needle points set comprises one each of 0.25cm, 0.5cm,,1.0cm,1.5cm,2.0cm,3.5cm and 6.0cm/sq
Proctor Needle Apparatus AS ABOVE BUT HYDRAULIC TYPE.
Penetration pressure on the needles is conveyed through a hydraulic system to a hydraulic pressure gauge 0-700 N x 10 N divisions Rs. 10200/-