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Small Diameter Piezometers (VW) | Model 4500B(V) · 4500C

  • Model 4500B Small Diameter Piezometer.
  • Model 4500BV Small Diameter Vented Piezometer.
  • Model 4500C Small Diameter Piezometer.
Model 4500B(V) · 4500C

These piezometers are uniquely designed to enable the automation of small diameter, non-standard piezometer standpipes. The 4500B will fit inside 19 mm pipe and the 4500C will fit inside 12 mm pipe.*


Standard Ranges
4500B(V) | 350, 700 kPa; 1, 2, 3 MPa
4500C | 350, 700 kPa
Over Range
4500B(V) | 1.5 × rated pressure
4500C | 1.5 × rated pressure
4500B(V) | 0.025% F.S. (minimum)
4500C | 0.05% F.S. (minimum)
±0.1% F.S.
<0.5% F.S.
Temperature Range²
−20°C to +80°C
Length × Diameter
4500B(V) | 133 × 17.5 mm
4500C | 165 × 11 mm

¹±0.1% F.S. option available in some ranges for the 4500B only.

²Custom, 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.