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Vibrating Wire Strain Gauge - Surface Mounting Type

Vibrating wire type Surface mounted type Strain Gauges are used for measurement of strain on the surface of metal/concrete.  The  V. Wire strain gage uses a high tensile steel wire in tension between the two ends blocks to sense the variation insurface strain over the gauge length. This train developes a corrosponding change in tension of the wire. Variations in the strain gauge are thus converted to changes in frequency of oscillation of wire, observations of which are made by measuring the output from the coil whih now acts as a pickup device.