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GI.Reporter

October 4, 2019

Strain Gauge Rosettes with Gantner Instruments

To measure strain on the surface of components the usual method is using a strain gauge rosette.

The basic principle of a strain gauge rosette. Three strain gauges are set at 45° angle.

The basic principle of a strain gauge rosette. Three strain gauges are set at 45° angle.

Gantner Instruments DAQ Test Controllers enable users to program arithmetic channels, which automatically calculate the principal stresses and the angle of the main stress.

The images below show the formulas and the arithmetic channels used to calculate the maximum and minimum stress on the surface of the test component.

Three strain gauges of the strain gauge rosette were connected to the A116 measurement module. The raw measurements can still be used in post processing.

 

For additional information, check our Technical Support page.

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