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Products > High frequency > Dong-A Geovan Co., Ltd. | Similar Products
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High frequency

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VW Crackmeter

VW Crackmeter
frequency. A change in distance between the anchors caused by the crack opening or closing causes the inner free-sliding rod to move within the outer body which changes the tension on the spring and ...

Real Time Global Navigation Satellite System

Real Time Global Navigation Satellite System
Real Time Global Navigation Satellite System Monitoring Ground Displacement in Dams, Levees, and Soft Ground Using GNSS with Sub-Centimeter Accuracy To monitor ground displacement in structures such ...
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