Solinst 111864 Vibrating Wire Pressure Transducer 150psi
- Part #:111864
- Model #:4500
- Condition:Brand New

Vibrating Wire Pressure Transducer 150psi
The transducer uses a pressure sensitive diaphragm with a vibrating wire element attached to it. The diaphragm is welded to a capsule which is evacuated and hermetically sealed. Fluid pressures acting upon the outer face of the diaphragm cause deflections of the diaphragm and changes in tension and frequency of the vibrating wire. The changing frequency is sensed and transmitted to the readout device by an electrical coil acting through the walls of the capsule. Piezometers incorporate a porous filter stone ahead of the diaphragm, which allows the fluid to pass through but prevents soil particles from impinging directly on the diaphragm.
Applications
- For the measurement of:
- Ground water elevations
- Pore water pressures
- Pump tests
- Uplift pressures in dam foundations
- Hydraulic pressures in tanks and pipelines
- Wick drain efficiency
- Water pressures behind tunnel linings
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| Over Range | 1.5 times the rated pressure |
| Resolution | 0.025% Full Scale (F.S.) |
| Accuracy | +-0.1% F.S. |
| Linearity | < 0.5% F.S. (optional +-0.1% F.S.) |
| Temperature Range | -20 °C to +80 °C |
| Thermal Zero Shift | < 0.05% F.S./°C |
| Diaphragm Displacement | < 0.001 cm^3 at Full Scale |
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