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        Conversion mV/V to strain

        Online calculator for converting bridge output into strain.

        Input: displayed bridge detuning on the measuring amplifier in mV/V

        Output: strain in µm/m

        Parameters: k-factor, Poisson's ratio, bridge type

        Depending on the type of bridge, there is a different relationship between the "bridge detuning" Ud/Us and the strain ε. The number of active strain gauges and the arrangement of the grids (longitudinal or transverse strain with the Poisson's ratio ν) can be summarized in the bridge factor "B": summarize:

        Brückenart Brückenfaktor "B" Anzahl aktive DMS
        Vollbrücke 4 4
        Halbbrücke 2 2
        Viertelbrücke 1 1
        Vollbrücke mit 2 Längs- und 2 Quergitttern 2 + 2v 4
        Halbbrücke mit 1 Längs- und 1 Quergittern 1 + v 2

         

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