Abstract: Apparatus, methods, and systems of monitoring the condition of a wear component, including a sensor system for monitoring the condition of a wear component comprising: an outer casing bottom portion having a closed bottom end; at least one battery situated inside the outer casing bottom portion; at least one cushioning element interposed between the at least one battery and at least one sensor component; at least one metal disc antenna positioned at a distance above the at least one sensor component; at least one metal connector element configured to join the metal disc antenna to the sensor component; and an outer casing top portion adapted to fit over at least the metal disc antenna, wherein the outer casing top portion is adapted to substantially connect with the outer casing bottom portion.