Humidity measurement method and device of culture medium
A technology of cultivation substrate and humidity measurement, which is applied in the direction of measuring devices, instruments, and material analysis through electromagnetic means, can solve the problems of ambiguous periodic watering, unscientific process, and ambiguous hand feeling, and achieve scientific cultivation and management. Scientifically accurate and fast results
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[0018] The following describes in detail the specific implementation of the method and device for measuring the humidity of the cultivation substrate provided by the present invention with reference to the accompanying drawings:
[0019] 1. In this implementation, as attached figure 1 , The method of the present invention is implemented as follows:
[0020] The driving signal Vi is generated by the circuit on the circuit board, the frequency is f=10MHz, |Vi|=3.3V, and it is input to the circuit RC series network, the resistance value R=1KΩ, the capacitance value C=100pF (when measuring the humidity of a cultivation substrate The capacitance value between capacitor pole piece 1 and capacitor pole piece 2, the capacitance value changes with the humidity of the cultivation substrate, at this time the humidity value of the cultivation substrate is 20%), the impedance of the RC series network is Rj (1 / 2πfC); the driving signal Vi, After the RC series network in the line, the humidity si...
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