Table 1 - Calibration parameters of the four displacement sensors Sensor nr. 1 2 3 4 5 6 7 8 9 10 11 12 Sensitivity (mm/(mV/V)) -2.644 -2.616 -2.772 -2.644 -2.632 -2.627 -2.673 -2.654 -2.689 -2.656 -2.710 -2.689 Linearity (R2 ) 1.0000 0.9999 1.0000 0.9999 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 Max. error (%)