Standard: ASTM D1558
Proctor Penetrometer is used to determine in field the moisture-penetration resistance relationship of fine grained soils.
Spring load scale 0-40 kg, subdiv. 1 kg, with direct max. value reading in kg on the sliding rod.
Complete with 9 interchangeable stainless steel needles diameter: 4.52 - 5.23 - 6.40 - 9.07 - 12.83 - 16.54 - 20.22 - 24.79 - 28.55 mm, accessories, carrying case.
Chromed finishing.
Weight: 5 kg approx.