หมวดหมู่ : สินค้า ,  VIBRATING WIRE CRACKMETER , 
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Vibrating Wire Crackmeter is designed to measure displacements across cracks and joints in buildings, bridges, dams, pipelines etc. It can measure in expansion and compression of joints.
The Vibrating Wire Crackmeter provides accurate measurement of crack propagation for structural or geotechnical monitoring.
The sensor is made from high quality stainless steel, incorporates O-rings to allow for underwater use and is designed for longterm reliable monitoring. The sensor incorporates an over-voltage surge arrestor that protects against electrical damage. Fitted across a crack or joint, it monitors displacement by detecting a change in tension in the vibrating wire inside the sensor.