Square Force-Sensitive Resistor

In stock
Rs 399.00 Rs 338.14
  • Just Connect a resistor to form a voltage devider and meassure the voltage at the junction to find the force applied.
  • These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate.
  • Use them to sense if it's being squeezed, but you may not want to use it as a scale.

Square Force-Sensitive Resistor

The model 406 FSR is a single-zone Force Sensing Resistor optimized for use in human touch control of electronic devices such as automotive electronics, medical systems, and in industrial and robotics applications. FSRs are two-wire devices. They are robust polymer thick film (PTF) sensors that exhibit a decrease in resistance with increase in force applied to the surface of the sensor. It has a 39.6mm square active area and is available in 4 connection options. Interlink Electronics FSR 400 series is part of the single zone Force Sensing Resistor family.

This is a Force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR 406 will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force anywhere in the range of 100g-10kg. Two pins extend from the bottom of the sensor with 0.1" pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.

Package Includes:

  • 1 x Square Force-Sensitive Resistor


Brand  Spectra Symbol 
Shaoe  Square 
Sensor Type  Force Sensor 
Dimensions  3.5 x 1.75 inch
Sensing Area 1.75 x 1.5 inch
Weight  25 grams
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Which sensors sense applied force?

Voltage created by an applied stress is called piezoelectricity. Unlike strain gages that can measure static forces, piezoelectric force sensors are mostly used for dynamic- force measurements such as oscillation, impact, or highspeed compression or tension.

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