Non-contact conductometry measuring device stimulated by quartz crystal oscillator and method

The invention discloses a non-contact conductometry measuring device stimulated by a quartz crystal oscillator and a method. In an excitation source of the quartz crystal oscillator, the output end of the quartz crystal oscillator is connected with the input end of a DC-blocking and amplitude-adjusting circuit the output end of which is connected with one end for quartz crystal measurement, wherein in the quartz crystal oscillator, a stimulating quartz crystal and a measuring quartz crystal have the same impedance-frequency characteristics, the input end of a first inverter is respectively connected with one end of a first resistor and one end of the stimulating quartz crystal, the output end of the first inverter is respectively connected with the other end of the first resistor and one end of a first capacitor, the input end of a second inverter is respectively connected with the other end of the first capacitor and one end of the second resistor, the output end of the second inverter is respectively connec