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Inductive conductivity sensor measures conductivity in liquid solutions with RS485 output and DC 1224V power supply. It works under 0-60℃/120℃ conditions, with automatic temperature compensation and non-contact measurement. The PTFE housing resists corrosion, and the cable withstands up to 200℃. SUCH EC sensor is used in power plants, chemical fertilizer, metallurgy, environmental protection, pharmaceuticals, biotechnology, and food industries.
An inductive conductivity sensor, also called a toroidal or electrodeless conductivity sensor, measures the conductivity of a liquid without direct metal-to-liquid contact. It uses two coils encapsulated in a non-conductive body. One coil generates an alternating magnetic field that induces a current in the liquid, while the other coil detects the resulting signal.
Inductive sensors have no exposed electrodes, so they are resistant to fouling, scaling, and corrosion. They require minimal maintenance, have longer service life, and perform well in harsh environments such as high concentrations of acids, bases, or salts. They are also not affected by electrode polarization, which improves measurement stability.
They are ideal for high-conductivity liquids such as concentrated acids (HCl, H₂SO₄), caustic soda, brine, seawater, and chemical wastewater. They are less suitable for very low-conductivity liquids (like ultrapure water) because the induced current is too weak to measure accurately.
