TEMPERATURE AND HUMİDİTY SENSOR
The probe of the temperature and humidity sensor is a component that can detect temperature and humidity at the same time.
The element uses a polyimide or acetate polymer film (a polymer compound) deposited on two conductive electrodes as a hygroscopic layer.
When the hygroscopic layer absorbs water molecules or loses water molecules, it will change the dielectric constant between the two electrodes, and then cause the change of capacitance capacity.
The measurement circuit will capture and transform the change of capacity value, and finally measure the humidi-ty value.
At the same time, the temperature is measured by thermocouple.
Finally, the main control board will collect the temperature and humidity signals from the probe and convert them into digital signals after circuit processing.
