And calibration equation between the signal micro-strain (X) by the value based on variable weight (Y), and the relationship is linear, the equation is Y = X – 6036.4 is 12565. And when observing the graph figure 10B will find that the value will not start at the point 0, 0 due to the characteristics of the kit is comprised of a weight measurement, the force is with the labour and equipment made with strain gauge is not the same, that is, to have a strong impact with the device before the force went to work against the strain gauge. But the value of such equations is reliable in implementation because the value R ² = 0.9061 considered the value is high.
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