Explain the capacitance type level measurement method with neat diagram.
Capacitance level indicator
Explanation: It consists of two conductors separated from each other by dielectric material between them. There is an insulated capacitance probe fixed near and parallel to tank wall such that the probe and metal tank wall acts as conductors with conducting liquid as the dielectric medium. These two conductors are connected to capacitance detecting element. As the liquid level changes, the dielectric constant changes due to which capacitance changes. Thus any change.