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Soil > Compaction and CBRProctor Penetrometer Test SetASTM D 1558 The S-172 serves as a rapid field test to determine the approximate amount of moisture in the soil. It is used with Methods A and B of Test Method D 698 to develop relationships between moisture content, density and penetration resistance. The set includes a spring dynamometer with a scale on the stem of the handle graduated from 10 lb to 130 lb and seven interchangeable needles in a wooden box with carrying handle.
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