Measuring techniques for point level detection

In point level detection, a point level switch detects when a certain predefined level is reached. Such a device is employed when it is not necessary to measure every possible intermediate level, as is the case with continuous level measurement. A switching command starts or stops filling equipment such as conveyors or pumps. Point level switches outputting a binary signal can be integrated into a process control system. 

Point level detection systems can be used in liquids, pastes, powders or coarse bulk solids. 

Typical applications for level switches are:

  • minimum or maximum detection
  • leak detection
  • overfill protection

in process tanks, storage tanks, silos and pipelines.

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