In high frequency, it also have conductance at dielectric material due to dissipation factor of the dielectric material causing the current leakage.

介质电导的存在，是由于介质的耗散因子的存在，使得再高频下，传输线存在漏电流。

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A sensor in the utility model adopts a no-leakage PH composite electrode and an annular conductance electrode in which a temperature sensor is arranged.

该装置中的传感器采用无渗漏式PH复合电极和内装温度传感器的环状电导电极。

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