Description
A magnetic level gauge (MLG) is a, safe, and robust industrial instrument used for continuous liquid level measurement in tanks or vessels, particularly for high-pressure, high-temperature, or hazardous applications. It consists of a chamber, a magnetic float, and an external indicator (flags or rollers)
Key Components and Functionality
- Bypass Chamber: Connected to the tank, this chamber allows the liquid level inside to mirror the vessel’s level via communicating vessel principles.
- Magnetic Float: A sealed, buoyant float with an internal magnet moves up and down inside the chamber with the liquid surface.
- Magnetic Indicator: Outside the chamber, bi-colored flags or rollers rotate as the float moves, showing a visual indicator (e.g., red for liquid, white for empty).
- Magnetic Coupling: The magnetic field from the float flips the indicator elements through the chamber wall, eliminating the need for process seals or direct contact between the liquid and the display
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