A101 FlexiForce™ Piezoresistive Force Sensor Tekscan A101 FlexiForce™ Piezoresistive Force Sensor is optimized for high-volume manufacturing and ideal for embedding into products and applications. The 15.6mm x 7.6mm x 0.203mm A101 sensor operates within a -40°C to +60°C temperature range. The 2-pin sensor can measure up to 10lbs. by modifying the drive voltage and adjusting the resistance of the feedback resistor. To measure higher forces, apply a lower drive voltage (-0.5V, -0.25V, etc.) and reduce the resistance of the feedback resistor (1kΩ minimum). For lower forces, apply a higher drive voltage and increase the resistance of the feedback resistor.