Vibrating Wire Piezometer

The vibrating wire piezometer is suitable for long-term embedment in hydraulic structures or other concrete structures and soil, to measure the seepage (pore water) pressure inside the structure or soil, and can simultaneously measure the temperature at the embedded point.


The vibrating wire piezometer can be used in measurement pipelines and foundation boreholes when equipped with accessories. The piezometer has an all-stainless-steel structure, with a compact size of 24×125mm, which can be conveniently placed in small spaces that require measurement. The vibrating wire piezometer has intelligent identification capabilities.

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Model XTP-0.175 XTP-0.2 XTP-0.35 XTP-0.7 XTP-1.0
Dimensional Parameters Maximum Outer Diameter D/mm 24 24 24 24 24
Length L/mm  125
Performance Parameters Measurement Range KPa 0-175 0-200 0-350 0-700 0-1000
Resolution ≤0.025% F.S
Fitting Accuracy ≈0.1% F.S./0.5% F.S
Temperature Measurement Range -40~+80℃
Sensitivity ±0.1℃
Temperature Measurement Accuracy ±0.5℃
Correction Factor b ≈0.10 KPa/°C
Water Pressure Resistance 1.2 times the measurement range
Insulation Resistance     ≥50MΩ

Note: Frequency Modulus F=Hz2×10-3