Conductivity level switch
Conductivity level switch is sensor with an electrical contact output at a specific liquid level. Applications include ponds, reservoirs, sumps, pharmaceuticals, closed vessels and open tanks.
Working Principle: A low AC Voltage is connected via the control unit between the sensing electrodes and reference electrodes (tank wall in case of metallic tanks) As soon as the conductive material touches the electrodes, a low AC current starts to flow which operates the relay in the control unit and gives a digital output.
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