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Level Measurement A Level Switch for All Media

Editor: Dr. Jörg Kempf

With the Clever Level LBFS/LFFS switch, Baumer has developed a true all-rounder that uses frequency sweep technology.

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The Clever Level series of level switches use frequency sweep technology and can reliably detect extremely different media. The readings are not affected by adhesive substances or foam.
The Clever Level series of level switches use frequency sweep technology and can reliably detect extremely different media. The readings are not affected by adhesive substances or foam.
(Picture: Baumer)

Fill levels must be recognized in countless storage, buffer and holding tanks in the process industry. The level switches used are normally as different as the various media being monitored. With the Clever Level LBFS/LFFS switch, Baumer has developed a true all-rounder that uses frequency sweep technology. This method capitalizes on the fact that every material, regardless of its consistency, has a dielectric constant specific to that medium. This makes the new level switch suitable for practically all media, including liquids, granulates and even electrostatic media.

At the same time, it is unaffected by adhesive substances or foams that may lead to switching errors with other technologies. Furthermore, it can distinguish between different media. This makes the Clever Level more than merely a replacement for the traditional vibrating fork used in level control. Configuration is possible using Teach-in. It is more convenient with Flex Programmer software, which enables visualization at the same time. The displayed information can be communicated to a higher-level controller if required and interpreted there in accordance with the operation phase.

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