Penetrometer is easy to use: push the indicating ring to the highest point touching the body and insert the piston until the calibration mark is level with the soil. The easy-to-read scale indicates strength from 0 to 4.5 tons per sq ft. The reading is maintained until manually reset. Penetrometer is constructed from anodized aluminum and measures 6-1/4"L x 7/8" dia. Use an allen wrench to loosen the stainless steel pin for cleaning.
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2 days ago
2 weeks ago