FlexiForce A502 Ultra Thin Force Sensor

A502 sensors are square standard sensors with a 2-pin male connector. They have a force range of 0-222 N (0-50 lb), specified with Tekscan electronics. The model is linear through a much lower range of 0-22N (0-5 lb), and is capable of measuring loads up to 44,482 N (10,000 lb).

  1. Thickness 0.203 mm (0.008 in.)
  2. Length 81.3 mm (3.20 in.)
  3. Width 55.9 mm (2.20 in.)
  4. Sensing Area 50.8 mm x 50.8 mm (2 in. x 2 in.)
  5. Sensing Range: 0 to 22.6 Kg
  6. Connector 2-pin Male Square Pin
  7. Substrate Polyester
  8. Pin Spacing 2.54 mm (0.1 in.)
Applications:
  1. Testing and Measurement Equipment
  2. Embedded Electronics
  3. OEM Development Kit
  4. Consumer Electronics
  5. Multimeter
SKU: RW-00853

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Description

A502 sensors are square standard sensors with a 2-pin male connector. They have a force range of 0-222 N (0-50 lb), specified with Tekscan electronics. The model is linear through a much lower range of 0-22N (0-5 lb), and is capable of measuring loads up to 44,482 N (10,000 lb).

The dynamic range of this mini force sensor can be modified by changing the drive voltage and adjusting the resistance of the feedback resistor (see below in “How to Adjust the Force Range“).

Applications:
  1. Testing and Measurement Equipment
  2. Embedded Electronics
  3. OEM Development Kit
  4. Consumer Electronics
  5. Multimeter

Typical performance:

Force Versus Resistance Table


How to Adjust the Force Range:

* In order to measure higher forces, apply a lower drive voltage (-0.5 V, -0.25 V, etc.) and reduce the resistance of the feedback resistor (1kΩ min.) To measure lower forces, apply a higher drive voltage and increase the resistance of the feedback resistor.

A502 Circuit Diagram


Typical Performance:

Linearity (Error): < ±3% of Full Scale (Line drawn from 0 to 50% load)

Repeatability: < ±2.5% (Conditioned Sensor, 80% of Full Force Applied)

Hysteresis: < 4.5 % of Full Scale (Conditioned Sensor, 80% of Full Force Applied)

Drift: <5% / logarithmic time (Constant Load of 111 N (25 lb))

Response Time: < 5 µsec (Time required for the sensor to respond to an input force; Impact load – recorded on Oscilloscope)

Operating Temperature: -40°C – 60°C (-40°F – 140°F)*

* Force reading change per degree of temperature change = 0.36%/ºC (±0.2%/ºF)


Package Includes:

1 x FlexiForce A502 Ultra Thin Force Sensor

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

Additional information

Sensing Area (mm)

50.8

Surface Layer

Polyester

Connector

2-pin Male Square Pin

Drift

< 5% per logarithmic time scale

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