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Vibrating Wire Jointmeter is composed of socket and vibrating wire displacement sensor. 
Install the Socket in the base concrete structure and connect the vibrating wire displacement sensor, after installation, 
place the concrete. Displacement in Joint part of two concrete structure occurred, at this time, frequency becomes different depending on displacement. 
The measured frequency is converted into displacement by conversion factor.
Normally it is used to monitor the changes in joint of concrete structures such as dam, foundations, column for bridge.

Vibrating Wire Jointmeter

  • Type Vibrating Wire
    Range 10mm ~ 100mm
    Accuracy ±0.1% full scale
    Resolution 0.025% full scale
    Nonlinearity 0.5% full scale
    Temperature Range -20℃ ~ +80℃
    Sensor material Stainless steel
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