Page 91 - Instrumentation Reference Book 3E

76 Measurement of strain

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1. Roughening of the application area 2 Cleaning of the application area 3. Positioning of the strain gauge with tap

4. Applying the adhesive 5. Spreading the adhesive 6. Pressing the strain gauge

7. Soldering the strain gauge ribbons 0. Soldering and fixing the cables 9. Covering the measurement point
Figure 4.8 Stages and installing gauges. Courtesy HBM.

Strain

ridge O"t.of.
balance
detector
-a
Figure 4.9 Simple bridge circuit (quarter-bridge) Figure 4.11 Half-bridge circuit

Strain
Leads Strain Strain

Strain
Strain
wgs
Figure 4.10 Quarter-bridge circuit with three long leads. Figure 4.12 Full-bridge circuit.