Bonded Type Strain Gauges |
Unbonded Type Strain Gauges |
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The four wires are attached between the moving frame and fixed frame. Therefore, the wires are unbonded. |
All the grid-material of wire mesh is embedded in the epoxy thin papers. Therefore, the wires are bonded. |
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Damage to the wires may take place due to abrupt use, while working. |
No any damage to the “Wire Grid Material” during working. |
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Less life. |
More life. |
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Cannot be easily applied onto the member under test. |
Can be easily applied onto the member under test. |
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Bulky and heavy weight. |
Very light weight. |