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Temperature Sensor Calibration and Characterization¶

The setup of temperature sensor calibration and characterization: a heated water bath, LCR meter reading resistance, and a laptop logging data

The setup of temperature sensor calibration and characterization

Calibration curves of temperature sensor resistance change versus temperature change, showing temperature rise (α = 0.2567 %/°C, R² = 0.9987), temperature drop (α = 0.2495 %/°C, R² = 0.9996), and the combined hysteresis loop

Calibration curve of temperature sensor resistance change versus temperature change

Accuracy and resolution test of the temperature sensor after calibration: comparison against a commercial reference sensor over 10 hours (accuracy within 0.1 °C), and short-term resolution test (~0.01 °C)

The accuracy and resolution test of the temperature sensor after calibration