SPT Split Tube sampler is designed for carrying out the standard penetration Test to BS and ASTM standards.The Auto Trip hammer comprises a weight of 63.5KGS complete with pick up and self tripping mechanism that ensures the weight has a free fall of exactly 760mm.
Technical Parameter
| Equipment | Specifications | Precision | |
| Split barrel sampler | Split tube | O.D. 51mm | O.D.+/- 1mm ; I.D. +/- 1mm
Roughness 3.2 Concentricity 0.05mm |
| I.D. 35mm | |||
| Length>500mm | — | ||
| Open shoe | Length 50-76mm
Blade edge thickness:2.5mm Blade taper: 18-20° |
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| Auto hammer | Weight63.5kg | +/- 0.5kg | |
| Guiding tube | Falling distance 76cm | +/- 2cm | |
| Drill rods | Diameter 42mm | Bending allowance≤1/1000 | |
