User Guide for FSR Sensor

FSR Integration Guide and Evaluation Parts Catalog Page 7
with Suggested Electrical Interfaces
Figure 4 highlights the 0-1 kg (0-2.2 lbs) range of the conductance-force characteristic. As in Figure 3, the
corresponding resistance values are included for reference. This range is common to human interface
applications. Since the conductance response in this range is fairly linear, the force resolution will be
uniform and data interpretation simplified. The typical part-to-part error band is also shown for this touch
range. In most human touch control applications this error is insignificant, since human touch is fairly
inaccurate. Human factors studies have shown that in this force range repeatability errors of less than ± 50%
are difficult to discern by touch alone.