Zhuozhou Tianpeng Imp. and Exp. Trade Co., Ltd. is one of the leading manufacturers and suppliers of cpt probe in China. With abundant experience, we warmly welcome you to buy customized cpt probe made in China here from our factory. Quality products and reasonable price are available.
Description of Product
The CPT Probe is designed for accurate in-situ cone penetration testing in geotechnical investigations. Available in single-bridge, double-bridge, and three-bridge configurations, it delivers reliable measurements of cone resistance, sleeve friction, and pore pressure for comprehensive soil analysis.
Specification
CPT Cone Probe Parameters
| Model | Single-bridge probe | Double-bridge probe | Three-bridge probe |
| Cone bottom area (cm²) | 10/15 | 10/15 | 10/15 |
| Cone bottom dia. (mm) | 35.7/43.7 | 35.7/43.7 | 35.7/43.7 |
| Cone angle (°) | 60 | 60 | 60 |
| Sleeve area (cm²) | - | 200/300 | 150/300 |
| Sleeve length (mm) | - | 179/219 | 133.7/219 |
| Maximum resistance QC (Mpa) | 12, 24 / 12, 24, 36, 42, 48 | 12, 24 / 12, 24, 36, 42, 48 | 12, 24 / 12, 24, 36, 42, 48 |
| Maximum friction resistance FS (Mpa) | - | 0.12, 0.24 / 0.12, 0.24, 0.36, 0.42, 0.48 | 0.12, 0.24 / 0.12, 0.24, 0.36, 0.42, 0.48 |
| Pore pressure U(KPa) | - | - | 0~1500/2000 |
| Linear error | ≤0.5%F.S | ≤0.5%F.S | ≤0.5%F.S |
| Hysteresis error | ≤0.5%F.S | ≤0.5%F.S | ≤0.5%F.S |
| Repeatability error | ≤0.3%F.S | ≤0.3%F.S | ≤0.3%F.S |
| Zero error | ≤0.3%F.S | ≤0.3%F.S | ≤0.3%F.S |
| Zero temperature drift | ≤0.05%F.S./℃ | ≤0.05%F.S./℃ | ≤0.05%F.S./℃ |
| Internal sensor interference | ≤0.3%F.S | ≤0.3%F.S | ≤0.3%F.S |
| Rated overload capacity | 120% R.L. | 120% R.L. | 120% R.L |
| Operating temperature range | -10℃~45℃ | -10℃~45℃ | -10℃~45℃ |
Vane Shear Head Parameters
| Model | Vane |
| Size | 50×100×2 mm / 75×150×3 mm |
| Angle of blade | 60° |
| Shaft diameter | 13 mm / 16 mm |
| Shaft length | 50 mm |
| Vane head constant | 2.18×10-3 cm³ / 6.47×10-4 cm³ |
| Rated measuring range | 0~130KPa |
| Rated overload capacity | 130% of rated range |
| Accuracy | Linear, Hysteresis, repeatability and zero error ≤ 0.8% F.S |
| Temperature drift error | ≤0.05%F.S./℃ |
| Operating temperature range | -10℃~45℃ |
Features
●Supports full 360° coring, allowing drilling from virtually any angle.
●Equipped with a built-in safety clutch that protects the machine from damage by automatically limiting excessive torque if the drill bit becomes jammed.
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