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Description
- Calibrated Capacitive Force Sensor 8mm 100N (22lb)
- Features a SingleTact Sensor and Interface Board
- Provides a single element tactile pressure sensor
- Is plugged with FFC connector
- Supports the standard (100 Kbits/s) clock rate
The Calibrated Capacitive Force Sensor 8mm 100N (22lb) is a single element tactile pressure sensor that accurately and reliably quantifies applied force combined with a simple interface board offering a 0 to 2V analog output for immediate Data Acquisition (DAQ) integration and an I2C based interface for integration into embedded systems.
The sensor is plugged into the FFC connector on the green interface board (with the sensor connector pads facing upward). The analog output swings from 0 to 2 V, with the valid working output ranging from 0.5 to 1.5 V. The SingleTact I2C interface supports the standard (100 Kbits/s) clock rate in 7-bit address mode.
Multiple sensor interfaces may be connected to a single I2C bus. The bus address of individual sensor interfaces can be configured by writing desired address value (4 to 127) via the I2C interface to register address 0 with an I2C Write Operation.
- 1x 100N (22lbs) Sensor
- 1x I2C board with Calibration
- 4x Jumper wire
- 50 x 3.5 mm
Sensor Performance
- Typical Signal to Noise Ratio (SNR): 500:1
- Force Resolution: < 0 2% of Full Scale (FS)
- Typical Repeatability Error: < 1.0% (1 sigma of FS)
- Operating Temperature: -40 - 200 °C
- Temperature Sensitivity: Up to 0.2% / °C
- Linearity Error: < 2.0%
- Dirt: < 2% per logarithmic time scale
- Hysteresis: < 4.0%
- Response Time: < 1 ms (Measured using Oscilloscope)
- Contact Surface Material: Polyimide
- Sensor Thickness: 0.35 mm
- Tail Length: 50 mm
- Typical Baseline Capacitance: 8 mm: 75 pF; 15mm: 230 pF
- Typical Capacitance Change: 8 mm: 2.2 pF; 15mm: 5.5 pF
- ESD Sensitivity: Not sensitive to ESD
- Material Grade: UL grade 94 V-1 or better
Electronic
- Update Rate: >300 Hz
- Analog Out: 0.5 - 1.5 V
- Digital Interface: I2C (100 kHz)
- IO Voltage: 3.3 V
- Supply Voltage: 3.7 - 12 V
- Input Current: 2.5 mA running at 3 MHz
- Weight: Sensor 0.23 g / Electronics 1.6 g
- RoHS: Compliant
- Operating Temperature: -40 - 85 °C