DST-01 adopt the technology of temperature compensation, is mainly used for long-term measurement of the opening and closing (deformation) of expansion joints of hydraulic buildings or other concrete buildings, and can also be used for measurement of displacement, subsidence, strain and slip of structures such as underground caverns, slopes, dams, and high-rise buildings.
FBG Displacement Sensor DST-02 is a FBG technology based pull-rope displacement sensor, which is suitable for measuring the joint opening or boundary displacement between concrete blocks (such as the sinking tube of the segment meter), and can also test the change of the expansion joint at the beam end.
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