SKU: SENS-0706
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Spectra Symbol Flex Sensor FS-L-055-253-RH 55mm Female Plain Housing Connector

₹639.00 (Inclusive of all taxes)
Out of Stock

The Spectra Symbol FS-L-055-253-RH is a 55mm resistive flex sensor with a female plain housing connector, designed for angle displacement measurement in robotics, medical devices, and interactive systems. It provides a variable resistance output compatible with analog inputs on microcontrollers like Arduino, Raspberry Pi, and other 3.3V/5V logic platforms.

Features

  • 55mm active length resistive flex sensor with 25 kΩ nominal resistance (±30% tolerance).
  • Female plain housing connector for secure, solderless integration into prototype and production systems.
  • Low-profile, durable strip construction physically bends with the motion of the device.
  • Wide operating temperature range from -35°C to 80°C for robust environmental performance.
  • Outputs variable resistance proportional to bend angle for precise displacement measurement.

Out of stock

Description

The FS-L-055-253-RH flex sensor from Spectra Symbol operates on a fundamental resistive sensing principle. A conductive ink pattern is printed on a flexible polymer substrate; as the strip is bent, the geometry of this conductive path changes, resulting in a measurable increase in electrical resistance. This analog resistance change is directly proportional to the bend radius or angle, providing a simple yet effective method for quantifying physical deflection.

Engineered for reliability, the sensor’s robust construction ensures consistent performance through repeated flex cycles. The integrated female connector facilitates quick wiring and system integration, eliminating the need for soldering directly to the sensitive strip. Its compact dimensions and low profile make it ideal for embedding into space-constrained applications such as robotic joints, wearable motion capture suits, and haptic feedback interfaces.

Key Features

  • Precision Resistive Sensing: Delivers a linear change in resistance corresponding directly to the degree of bend, enabling accurate angle measurement.
  • Integrated Connector Interface: Features a female plain housing connector for reliable, plug-and-play electrical connections and simplified assembly.
  • Durable, Low-Profile Design: Constructed with a flexible yet resilient polymer strip that withstands repeated mechanical stress without performance degradation.
  • Broad Temperature Compatibility: Operates reliably across an extended range from -35°C to 80°C, suitable for both indoor and challenging environments.
  • Optimized Form Factor: Ultra-thin and lightweight design allows for seamless integration into moving assemblies and wearable devices without adding bulk.
  • High-Value Build: Provides a cost-effective solution for adding precise flex and bend sensing capabilities to electronic projects and commercial products.

Applications

  • Robotic joint and gripper angle feedback for precise limb position control.
  • Wearable motion capture and biomechanical analysis in sports science and physical therapy devices.
  • Interactive game controller and virtual reality (VR) input for detecting finger and hand gestures.
  • Medical device articulation monitoring, such as in surgical tools or rehabilitation equipment.
  • Musical instrument interfaces for adding expressive pitch bend or volume control via physical flex.

Technical Specifications

Manufacturer Part NumberFS-L-055-253-RH
BrandSpectra Symbol
Sensor TypeResistive Flex Sensor
Nominal Resistance25 kΩ
Resistance Tolerance±30%
Active Length55 mm
Termination StyleFemale Plain Housing Connector
Case/PackageSensor Strip
Length8.1 mm
Width6.1 mm
Approx. Weight1 g
Operating Temperature-35°C to 80°C
Output SignalVariable Resistance (Analog)

Frequently Asked Questions

How do I interface the FS-L-055-253-RH flex sensor with an Arduino?

Connect one pin of the sensor to an analog input pin (e.g., A0) on the Arduino. Connect the other sensor pin to a fixed resistor (e.g., 10 kΩ) in a voltage divider configuration, with the resistor tied to ground. The junction between the sensor and resistor connects to the analog pin. The Arduino code reads the analog voltage, which changes as the sensor's resistance varies with bending.

What is the purpose of the ±30% resistance tolerance?

The tolerance indicates the natural variation in the nominal 25 kΩ resistance from one sensor unit to another when in a flat, unbent state. This is typical for resistive ink-based sensors. For precise measurement, your system should perform a one-time calibration at a known 'flat' position for each individual sensor to establish its baseline resistance value.

Can this sensor be used for continuous, dynamic bending measurements?

Yes, it is designed for dynamic measurement. Its low-profile, durable construction allows it to physically bend with the motion device. The resistance changes continuously and proportionally with the bend angle, making it suitable for real-time applications like robotic arm feedback, gesture recognition, and motion tracking.

What is the maximum bend radius or angle this sensor can handle?

While specific limits should be verified with the datasheet, Spectra Symbol flex sensors are generally designed for significant deflection, often up to 180 degrees or more. They are resilient to repeated bending cycles. Avoid Sharp Microelectronics creases or bending at the very base near the connector, as this is the most mechanically stressed point.

Package Includes

  • 1 x Spectra Symbol Flex Sensor FS-L-055-253-RH (55mm, Female Connector)

Additional Information

Weight 0.001 kg
Dimensions 0.81 × 0.61 cm