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Working principle of the magnetic flap level gauge: The magnetic flap level gauge has a chamber that holds the floating ball; we refer to this as the main tube or housing. It forms a communicating vessel with the container through flanges or other connections； In this way, the liquid level inside the chamber is at the same height as that in the container, so the float inside the chamber rises and falls along with the changes in the liquid level in the container ； At this point, we are unable to see the liquid level; therefore, we installed a flip-column display outside the chamber. When manufacturing the float, magnets were placed at the boundary where the float sinks into the liquid and emerges from it. As the float rises and falls with the liquid level, its magnetism is transmitted through the outer shell to the flip-column display, causing the magnetic flip columns to rotate 180° ； Since the magnetic flip column is a cylinder formed by combining two semi-cylinders, red and white, its color changes after flipping 180° to face outside the display (red below the liquid level and white above it); the boundary between the two colors indicates the height of the liquid level. The magnetic flap level gauge is a device specifically designed for liquid level measurement, developed by skillfully combining magnetic principles, Archimedes’ principle (the law of buoyancy), and the characteristics of mechanical transmission ； The remote transmission type builds on the magnetic flap level gauge by adding a 4–20mA transmission sensor; it enables on-site level monitoring while simultaneously transmitting level changes to the control room through the transmission sensor, cables, and instruments, thus allowing for remote monitoring and control ； A control-type level gauge is a magnetic flap level gauge to which a magnetic control switch has been added; while monitoring the liquid level, the signal from this magnetic control switch can be used to control or trigger an alarm for that level. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content! http://www.yb1518.com/uploadfiles/image/2010-11//201011191011384084.jpg