Soil testing is essential for success in farming, construction and civil engineering projects and Grainger has the test instruments you need. You'll find a line of soil penetrometer products for measuring compaction. Take soil samples with various dredges for sand and silt dredging as well as bottom-designed units that limit sediment displacement. Test for the moisture content of soils, aggregates, dust and powders with a portable moisture tester kit. Grainger has the soil testing kits and accessories you need.