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Interlink Force Sensing Resistor 400 FSR (0.3" Circle)

The model 400 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 5.1mm diameter active area and is available in 4 connection options. Interlink Electronics FSR 400 series is part of the single zone Force Sensing Resistor family.

Features and Benefits

  • Actuation force as low as 0.1N and sensitivity range to 20N
  • Easily customizable to a wide range of sizes
  • Cost effective
  • Ultra thin
  • Robust: Up to 10 million actuations
  • Simple and easy to integrate

Dimensions:

  • Overall length: 1.75"
  • Overall width: 0.28"
  • Sensing area: 0.3"

Applications

  • Detect & Qualify Press
    Sense whether a touch is accidental or intended, by reading force
  • Use force for UI feedback
    Detect more or less user force, to make a more intuitive interface
  • Enhance tool safety
    Differentiate a grip from a touch, as a safety lock
  • Find centroid of force
    Use multiple sensors to determine centroid of force
  • Detect presence, position or motion
    of a person or patient in a bed, chair or medical device
  • Detect liquid blockage
    Detect tube or pump occlusion or blockage by measuring back pressure
  • Many other force change detection applications

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