Pocket Soil Penetrometer ST-315This easy to use handheld dial type Pocket Penetrometer is useful for performing tests on in situ soils, for example checking compaction, classification of soils, correlating the U. C. S of soils, analysing consistency for agricultural purposes. Applications include: Checking failure or slide areas Checking degree of solid compaction Evaluating chemical solidification of soils Checking soil strata to determine pile lengths Classifying soils at boring