Descripción
ASTM D1558
- Used to determine the moisture-penetration resistance relationships of fine-grained soils
- Capacity: 40 kgf (90 lb)
- Supplied with interchangeable stainless steel penetration needles
| Needle Area | Needle Diameter | |
| 1 in² | 645 mm² | Ø 28.55 mm |
| 3/4 in² | 484 mm² | Ø 24,79 mm |
| 1/2 in² | 323 mm² | Ø 20.22 mm |
| 1/3 in² | 215 mm² | Ø 16.54 mm |
| 1/5 in² | 129 mm² | Ø 12.83 mm |
| 1/10 in² | 65 mm² | Ø 9.07 mm |
| 1/20 in² | 32 mm² | Ø 6.40 mm |
| 1/30 in² | 22 mm² | Ø 5.23 mm |
| 1/40 in² | 16 mm² | Ø 4.52 mm |
