Drive Point Piezometers (Vibrating Wire)
The Model 4500DP Drive Point Piezometer has the transducer located inside a housing with an EW drill rod thread and removable pointed nose cone. This model is ideally suited for use in peat and soft clays. The piezometer may be recovered at the end of the job. Models are also available which use metric threads allowing for installation using conventional cone penetrometer or other drill rods with adapters.*
Standard Ranges: −100 to 70, 170, 350, 700 kPa; 1, 2, 3, 5, 7.5 MPa
Over Range: 1.5 × rated pressure
Resolution: 0.025% F.S. (minimum)
Accuracy: ±0.1% F.S.
Linearity: <0.5% F.S. (±0.1% F.S. optional)
Temperature Range¹: −20°C to +80°C
Length × Diameter: 187 × 33.3 mm
¹High temperature versions available on request.