P10 : VIBRATING WIRE CONCRETE STRESS CELL
Ranges (kPa) 300, 500, 700, 1000, 1500, 2000, 3000, 4000, 6000, 10,000, 15,000
Resolution 0.025% full scale
Accuracy 0.1% full scale
Linearity 0.1% full scale
Temperature Range -20 to 80°C
Overload 150% full scale
Material Stainless Steel
Excitation Method Pluck or sweep
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Applications
> <The Vibrating Wire Concrete Stress Cell is used for measuring total stresses in tunneling process, mass concreting and rock walls in underground works.
The cell consists of a rectangular flat jack formed from two plates of steel welded together around the periphery.
The narrow gap between the plates is filled with hydraulic oil. A Vibrating Wire Pressure Transducer is connected to the cell by a short length of steel tubing, forming a closed hydraulic system.