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The working principle of the radio frequency capacitance level meter is based on radio frequency (RF) capacitance technology. A radio frequency is applied to the probe, and through continuous analysis, the influence of the surrounding environment is determined. Since all materials have a dielectric constant and their conductivity is different from that of air, when the probe is in contact with the material, the total impedance reflected by the small capacitance shift changes. Because the energized probe and the container wall constitute the two polar plates of the capacitor, the insulator of the probe and the surrounding air become the dielectric material. When the air (dielectric constant is 1.0) is replaced by any other material (dielectric constant > 1.0), changes in capacitance cause changes in impedance. This effect is measured by the circuit and compared to the reference established by the sensitivity setting (circuit).

The modular converter and sensor are integrated, no moving parts, high reliability and strong anti-interference ability;
Wider applicability, there are various probe forms, various process connection forms, various production materials, and can be customized design;
Installation, debugging, and maintenance are extremely convenient.