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Drive Point Piezometers (VW) | Model 4500DP

  • Model 4500DP Drive Point Piezometer.
  • Model 4500DPCT Drive Point Piezometer.
Model 4500DP

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
70, 170, 350, 700 kPa; 1, 2, 3 MPa
Over Range
1.5 × rated pressure
0.025% F.S. (minimum)
±0.1% F.S.
<0.5% F.S. (±0.1% F.S. optional)
Temperature Range¹
−20°C to +80°C
Length × Diameter
187 × 33.3 mm

¹Custom, high temperature versions available on request.
For standard high temperature piezometers, please see the Model 4500HT Series.

*Please Note: All GEOKON vibrating wire piezometers include tripolar plasma surge arrestors to protect the sensor coils from possible lightning damage. Semiconductor piezometers are also available (see 3400 Series).

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.