Lightweight penetrometer ZLR 10

The field of application for penetrometers lies in the geological examinations of soils. They are used for determining stratum interfaces during the examination of the subsoil for building, bridge, road or other construction, for re-examination of compaction work and ballasting and for determining the deposit features of loose, non-compacted soils. In addition they can provide information on physical data of the underground for assessment of the load-bearing strength and for structural stability questions.

Furthermore, the results can be used to determine the probable driving properties of the soil as a certain similarity exists here between penetrometer examinations and the driving of piles. Penetrometers provide information on the soil relatively quickly and simply. Tests with the "light penetrometer" can be performed with soil that is not too solidified down to examination depths of approx. 8 to 12 m. For more solidified soils and larger depths, the "heavy penetrometer" should be used, and for tests in drill holes the "standard probe".