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Brake type dial indicator holds final reading until manually released. 250 lb. (1.1 kN) capacity proving ring. Lightweight and compact for easy transport to the field. The Proving Ring Penetrometer is a 30 degree cone penetrometer used to determine the bearing capacity of subgrades or to measure soil compaction. The penetrometer also serves as a […]
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The Proving Ring Penetrometer is a 30 degree cone penetrometer used to determine the bearing capacity of subgrades or to measure soil compaction. The penetrometer also serves as a rapid means of determining the penetration resistance of soil in shallow exploration work.
Specifications
| Proving Ring. | 250 lb. (1.1 kN) capacity |
| Dial Indicator | Brake type |
| Shaft | 3/4″ (19 mm) diam. x 18″ l. (457 mm); graduated at 6″ (152 mm) intervals. |
| Extension Rod | 3/4″ (19 mm) diam. x 36″ l. (914 mm); graduated at 6″ (152 mm) intervals. |
| Cone | 30 degree; 1 sq. in.; replaceable |
| Handle | Cast aluminum |
| Weight | Net 12 lbs. (5.4 kg). |
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