Electrical Power & Protection


Conductive level switches

April 2018 Electrical Power & Protection

The latest in Kobold’s NEK range of conductive level switches is a complete, functional unit that reliably monitors the limit level of conductive media, even under heavy process conditions. Whether used for monitoring chemical or fresh water tanks, mixing vessels or for run-dry protection in pumps, the conductive level switches more than meet the demand for efficient and cost-effective measurement technology. The compact, space-saving but robust design means the devices can be integrated perfectly into existing industrial processes.

The compact device is designed as a complete functional unit that can be screwed into a tank. The compact housing with process connection has a hexagon and male thread for installation. The devices made of polyphenylene sulphide (PPS) can tolerate pressures of up to 20 bar, and those made of polypropylene (PP) tolerate up to 6 bar. Two electrodes made of stainless steel extend into the process. As soon as both come into contact with a conductive liquid, the electronics detect it and output a corresponding switch signal.

Two installation lengths, 36 and 73 mm, can be selected. The installation depth can be adapted individually by means of an additional protection tube. Installation of the device is possible from the top or from the side of the vessel. The protection class is IP68.


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