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已采纳回答Haven't you performed capacitance calibration for a long time? Besides, the humidity and temperature of the environment are also influencing factors
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RDC6563FG, capacitance value decreases
Excuse me, I have another question. This time, the problem is that the capacitance value has decreased, causing the focus to be inaccurate. I have checked the wiring of the sensor and other components, and the wiring is normal. What should I do? Thanks in advance!
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回答（3）
The decrease in capacitance value is generally caused by the following reasons. I hope it is helpful to you
1. Long term lack of capacitor calibration or significant changes in environmental temperature and humidity.
2. I have reinstalled or replaced sensors, connecting wires, and other accessories.
3. The wiring of sensors, connecting wires, and other accessories is not secure, resulting in poor contact.
4. Poor contact (or high contact impedance) between the cutting board and the amplifier casing.
5. Part of the laser is scattered onto the capacitive sensor, causing an increase in sensor temperature.1回复
I have done capacitor calibration again and it is now normal.