Lightweight instrument for measurement of the compressive soils strength on site or in the lab.
This 6-1/4in unit is spring-operated, and it is measures strength in tons/sq. ft. or kg/sq. cm by pushing a 1/4in (6.4mm) diameter loading piston into soil to a depth of 0.25in. The end area is 0.05in2. Compressive load is indicated by reading a scale on the piston barrel. A friction ring indicates maximum reading. Made of anodized aluminum. An Allen wrench and plastic carrying case with belt loop are included. A special 1in-diameter adapter foot is available as an option for use in very sensitive (soft) soils.
(A Pocket Penetrometer is required by OSHA for trenching and excavation inspection, and it can help from costly lawsuits and construction delays).
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