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General Description
The KSV series of capacitance sensors are made specifically for point level detection of conductive medium. Applications include water; chemical solutions, acid based slurries, conductive granules, and sticky liquids.
Build up is one of the most common problems for capacitance sensors. Conventional Radio Frequency sensors solve this problem by using a guard probes (the second or third element to the electrode). But this complicated probe construction tends to make probes easily broken, particularly if twisted in agitated containers. Consequently, conventional RF sensors are installed vertically and limited to a fixed length, foamed in one piece.
The KSV series have overcome 1his limitation by using 1he series resonance circuit and a single electrode. This circuit corrects for conductive build up by measuring its resistance. The single electrode can be mounted in virtually any position and is available with a number of standard mountings.
Operational Description
The electrode of the KSV is a part of the oscillation circuit. When the electrode is in the free air, the oscillation is stopped. When it is in medium, the oscillation is restored by measuring capacitance of medium and 1he relay is energized
Applications
Liquids (except for oil): Water, Caustic soda, Hydrochloric acid, nitric acid, Sulfuric acid, etc.
Sticky conductive medium: Drainage, Dehydrated cake, Night soil, Sewage, Sludge, Slurry, etc.
Click on the buttons for full Nohken Specification catalog Sheet and User Manual (Scroll down for KSV)