Tekscan FlexiForce A101 Force Sensor - 2-Pin Male Square Pin
Tekscan FlexiForce A101 Force Sensor - 2-Pin Male Square Pin - Image 2
Tekscan FlexiForce A101 Force Sensor - 2-Pin Male Square Pin - Image 3
Tekscan FlexiForce A101 Force Sensor - 2-Pin Male Square Pin - Image 4
SKU: SENS-0725
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Tekscan FlexiForce A101 Force Sensor - 2-Pin Male Square Pin

₹1,129.00 (Inclusive of all taxes)
Out of Stock

The Tekscan FlexiForce A101 is a miniature, ultra-thin piezoresistive force sensor designed for embedding into compact electronic systems. It provides a scalable 0-10 lb measurement range via adjustable drive voltage and feedback resistor, making it compatible with 5V/3.3V microcontrollers, data acquisition systems, and OEM development kits.

Features

  • Ultra-thin 0.203 mm profile for seamless integration into tight spaces.
  • Scalable force range up to 10 lbs via adjustable drive voltage (0.25-1.25 VDC) and feedback resistor.
  • High linearity with less than ±3% full-scale error for precise force measurement.
  • Fast 5 µs response time suitable for dynamic force monitoring applications.
  • Robust polyester construction rated for operation from -40°C to 60°C.

Out of stock

Description

The FlexiForce A101 operates on a piezoresistive principle, where applied force changes the resistance across its 3.8 mm diameter sensing area. This change is conditioned via an external op-amp circuit, allowing the measurement range to be tuned by adjusting the drive voltage and feedback resistor value, providing flexibility for various force thresholds.

Engineered for durability, the sensor features a polyester surface layer and exhibits minimal hysteresis (<4.5%) and drift (<5% per log time scale). Its 2-pin male square pin connector with 2.54 mm spacing facilitates reliable solder or socket connections, ideal for prototyping and volume manufacturing in harsh environments.

Key Features

  • Ultra-slim 0.203 mm thickness enables non-intrusive embedding in consumer electronics and medical devices.
  • Configurable dynamic range via external circuit tuning for application-specific force sensitivity.
  • Excellent metrological performance with high repeatability (<±2.5%) and linearity (<±3%).
  • Wide operating temperature range from -40°C to 60°C ensures reliability in varied climates.
  • RoHS-compliant construction meets international environmental and safety standards.
  • Fast 5 µs response time captures rapid force transients in testing equipment.
  • Simple two-wire interface with standard 2.54 mm pin spacing for easy PCB integration.
  • Optimized performance-to-cost ratio for high-volume OEM production runs.

Applications

  • Embedded force feedback in robotic grippers and collaborative robot skins.
  • Precision load monitoring in medical infusion pumps and physical therapy equipment.
  • Tactile force sensing for consumer electronics keypads and touch interfaces.
  • Process control and quality testing in automated assembly and packaging machinery.
  • Biomechanical force measurement in sports science instrumentation and wearable devices.

Technical Specifications

ModelFlexiForce A101
Force RangeUp to 10 lbs (configurable)
Operating Voltage0.25 to 1.25 VDC
Thickness0.203 mm
Sensing Area Diameter3.8 mm
Width7.6 mm
Connector Type2-pin Male Square Pin
Pin Spacing2.54 mm
Surface LayerPolyester
Max Current0.2 A
Linearity Error< ±3% of full scale
Hysteresis< 4.5% of full scale
Repeatability< ±2.5%
Drift< 5% per logarithmic time scale
Response Time5 µs
Operating Temperature-40°C to 60°C
RoHS CompliantYes

Frequently Asked Questions

How do I adjust the force measurement range of the FlexiForce A101 sensor?

The force range is tuned via an external op-amp conditioning circuit. To measure higher forces (up to 10 lbs), apply a lower drive voltage (e.g., 0.5V) and use a smaller feedback resistor (minimum 1kΩ). For lower force sensitivity, increase the drive voltage (up to 1.25V) and use a larger feedback resistor. The sensor itself acts as a variable resistor.

What is the recommended wiring and interface for the A101's 2-pin connector?

The 2-pin male square pin connector has a standard 2.54 mm pitch. One pin connects to the drive voltage supply (0.25-1.25 VDC), and the other to the inverting input of an op-amp configured as a current-to-voltage converter. A feedback resistor is placed between the output and inverting input to set gain. Ensure total current does not exceed 0.2 A.

Can the FlexiForce A101 operate in high-temperature or outdoor environments?

Yes, the sensor is rated for continuous operation from -40°C to 60°C, making it suitable for industrial and automotive applications. The polyester surface provides moisture resistance, but for direct outdoor exposure or liquid immersion, additional conformal coating or encapsulation is recommended as the sensor is not IP-rated.

What is the expected lifespan and drift performance of this force sensor?

The sensor exhibits minimal long-term drift, specified as less than 5% per logarithmic time scale under constant load. With no moving parts and robust polyester construction, it offers high cyclic durability. For precision applications, periodic zero calibration is advised, and avoid exceeding the 10 lb maximum force to prevent permanent resistance shift.

Package Includes

  • 1 x Tekscan FlexiForce A101 Force Sensor

Additional Information

Weight 0.004 kg
Dimensions 2 × 0.8 × 0.1 cm

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