Dickey-John Soil Compaction Tester

Stainless Steel Penetrometer. Measures compaction as a function of the soils resistance. Measure either 0-500 psi with the 3/4″ tip or 0-1000 psi with the 1/2″ tip. Features depth marks at depth marks of 3,6,9,12,15 and 18inches intervals to see where hardpan starts Soil compaction is very expensive, diagnosing is first step to fixing the problem. This penetrometer is one of the most useful tools for judging soil quality.