Capacitive level sensors KSD

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Capacitive level sensors KSD

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Product Description

Applications

Level measurement of liquids, solids, slurries and interface detection

Features

Various types available for different materials
Buildup prevention
Static electricity prevention
Remote installation
Suits a wide range of applications
Easy sensitivity adjustment
Local status indication
RoHS compliant model available (KRC)

Principle of Operation

Every substance has a unique dielectric constant (dK). The sensor uses the difference in dK between material and air or vacuum to determine material presence.
Different types of oscillation and detection circuits, as well as electrodes, are available to suit a wide range of materials and process conditions.

Series resonant circuit is used. The circuit has a detection electrode as a part of the oscillation circuit. Change in the electrode capacitance (△C) renders the circuit to oscillate. The circuit starts oscillation and gives output signals when the material reaches the electrode.

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