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Adapter foot is recommended when testing extremely low strength cohesive soils. 1" (25mm) dia. foot, compared to the 0.25" (6.35mm) penetrometer piston, increases the effective area measured by 16 times. Divide by 16 to obtain correct unconfined compressive strength when the reading in tons per square foot or kilograms per square centimeter is on the low-load side.
Use with 3", 5" and 8" Sieves, complies with ASTM C136.
12" (305mm) dia. brass frame w/ No. 200 detachable mesh screen and coarse mesh backing
Specific gravity starter kit using oven-dry method
Locate buried pipes, utility lines, tanks with 36" probe
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