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Level indicators are used for continuous indication of the level. The functional principle is based on a magnet connected to a float transmitting the level, without an additional supply voltage, to an indicator bar that consists of magnetic rollers or flaps.
In addition, various magnetic switches and level sensors can be fitted as additional accessories.
Level switches in (the process) industry are used for the point-based limit level detection of one or several levels. They work independently of foaming, conductivity, dielectric, pressure, vacuum, temperature, vapours, condensation, bubble formation, boiling effects and vibrations and are suitable for almost all liquid media.
The switching operation is contact-free, free from wear and needs no supply voltage. The simple and proven functional principle of the float switch enables a very wide range of applications, from general industrial applications through to use in process plants or in the shipbuilding industry.
Level transmitters provide continuous level measurement over the range of the system rather than at a single point and produce an output signal that directly correlates to the level within a vessel.
From depth and pressure, to float, radar, ultrasonic, and capacitive, these transmitters employ different technologies designed individually for specific level applications.
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