Proving Ring Penemometer
Untuk mengukur resistensi penekanan konus pada permukaan tanah, ASTM D-1558
For determining penetration resistance of soil layers.
SO-271 Penetration Rod Round bar, 3/ 4 " dia., 51.5 cm/ 49 cm length with 5 cm increment lines. 2 Pcs
SO-272 Penetration Cone Machined steel, hardened, plated, 1 sq