Abstract: A sensor system includes: a sensor insert sub-assembly including a sensor holder, a biasing magnet connected to the sensor holder, and a first sensor connected to the sensor holder, wherein a first end of the sensor housing insert sub-assembly is configured to face a target; and a pressure barrier connected to the sensor insert sub-assembly. A portion of the pressure barrier extends between the first end of the sensor housing insert sub-assembly and the target. There is a gap between the portion of the pressure barrier and the first end of the sensor insert sub-assembly. The first sensor includes a magneto-resistive sensor that is configured to detect a displacement of the target relative to the sensor housing insert sub-assembly.