Force Sensitive Square 1.75 x 1.5 inch

Force sensors or heavy sensors or sensors capable of measuring weights in the 100g - 10kg range.
Sepsification:
- Output: Obstacles (No load: 1M Ohm)
- The bigger the received style, the smaller the resistance value.
- Range: 100g - 10Kg
- Sensing area: 44.45mm x 38.1mm

Http://www.sparkfun.com/datasheets/Sensors/Pressure/fsrguide.pdf