Sensors

FSR 406 Force Sensitive Resistor FSR Square Sensor

Condition: New
Availability: In Stock
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SKU: SB 138,IMP20,Th5,KRT

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FSRs are basically a resistor that changes its resistive value (in ohms Ω) depending on how much its pressed. These sensors are fairly low cost, and easy to use but they're rarely accurate. They also vary some from sensor to sensor perhaps 10%. So basically when you use FSRs you should only expect to get ranges of response. While FSRs can detect weight, they're a bad choice for detecting exactly how many pounds of weight are on them.

FSRs are made of plastic and the connection tab is crimped on delicate material. The best way to connect to these is to simply plug them into a breadboard or use a clamp-style connector like alligator clips, female header, or a terminal block. It is possible to solder onto the tabs but you must be very fast because if your iron is not good quality or you dally even a few seconds, you will melt the plastic and ruin the FSR! Don't attempt to solder directly to your FSR unless you are absolutely sure you have the skills to do so.

Sensor Properties

Sensor Type Force Sensitive Resistor Controlled By Voltage Divider Force Min 1 N Force Max 20 N Pressure Min 10.3 kPa Pressure Max 1 MPa Repeatability Error Max ± 2 % Hysteresis Max 10 % Long-Term Drift Max 5 % Response Time Max 3 μs Temperature Sensitivity Max 0.15 % per °C

Physical Properties

Sensing Area 14.5 cm² Lifespan 10 million actuations Operating Temperature Min -30 °C Operating Temperature Max 70 °C

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Almeer - March 26, 2021

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