Circular pressure sensitive sensors white label fsr 149ascp 6 this oslash6mm pressure sensor consists of two membranes separated by a thin air gap maintained by a spacer one membrane has a printed circuit and the other membrane has conductive ink such that when the sensor is pressed the ink shorts the traces of the pcb circuit presenting a resistance proportional to the applied force the sensor has a wide range of actuating applications and their size low cost and shock resistance m