CPK-HF-28

The CPK-HF-28 high-frequency level sensor is designed for industrial use for limit sensing of liquid and paste media. The high-frequency level sensor may be a direct replacement for a vibrating level sensor, or for a capacitive level sensor in the case of more demanding applications. The media may be electrically conductive or non-conductive with any permittivity. The sensor can be installed in metal or plastic tanks, filling tanks, sumps, etc. The RG variant can be installed using the TN-28 extension tube or in a similar way. The sensor works on the high frequency band, enabling reliable detection of the level of media, and eliminating deposits or foam on the electrode. The sensor suppresses the influence of deposits of viscous media (ketchup, yoghurt, mayonnaise, patés, syrups, jams, creams, soap) as well as electrically conductive adhesive products (detergents, lyes, chemicals).
The sensor can be set up by applying a magnetic pen to sensitive spots (variants CPK-HF-28_-_-_-P/PD-_) or using the programming wire (variant CPK-HF-28_-_-_-PD-_). For remote parametrization using the programmable wire, the special SSU-1212-AD unit is used.

The sensors can be set to perform:

• simple sensing of the presence of the medium (medium/air)
• distinction of the interface between two media (medium/medium), e.g. water/oil
• selective distinction of a specific medium (medium window function), the function can distinguish e.g. oil from water and air, or detect only beer foam and ignore beer and air, etc.

The sensor is made from a stainless steel housing at one end terminated by a sensing electrode, and terminated at the other end and by an enclosure with a status indicator, control elements, and electrical connection. The setting elements are on the sides of the sensor. The sensors are manufactured for use in non-explosive areas only.