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The structural principle of magnetic float level gauge
Date: 2019-05-16Read: 10

The magnetic float level gauge works based on the principle of magnetic coupling. The product compensates for the multiple disadvantages of glass tube level gauges, which cannot work under high temperature and pressure and are fragile. There are two installation methods: side mounted and top mounted. Either method can be bundled with a remote transmission device, allowing the level gauge to display the liquid level locally and monitor it remotely. The bundled magnetic flap level gauge can be called a remote transmission type magnetic flap level gauge. The process of making a magnetic flap level gauge is simple, but as a measuring instrument, especially for remote transmission magnetic flap level gauges, if they are not audited and have no production license, the product quality is difficult to guarantee. Therefore, when purchasing a magnetic flap level gauge, it is necessary to choose a manufacturer with a production license and good reputation. The price may be slightly higher, but the product quality and after-sales service are guaranteed. The use of magnetic level gauges. Glass level gauges can be directly used to observe the liquid level height of various media in containers. It is suitable for liquid level indication in industries such as petroleum and chemical. The liquid level gauge has a simple structure, intuitive and clear observation, no blockage or leakage, easy installation, and simple maintenance. The upper and lower ends of the glass plate level gauge are connected to the container by flanges, forming a connector. The actual height of the liquid level in the container can be directly observed through the glass plate. The upper and lower valves are equipped with safety steel balls. When the glass is accidentally damaged, the steel balls will automatically seal under the pressure inside the container, preventing liquid from overflowing and ensuring the safety of operators. Flip column side mounted magnetic level gauge

The magnetic float level gauge is installed on the extension pipe outside the tank, and the liquid level inside the tank can be clearly indicated by the flap indicator. A magnetic switch can also be installed on the outside of the bypass pipe as an electrical contact signal output, or a liquid level transmitter can be installed for long-distance liquid level signal transmission and liquid level control. This level gauge is a reliable safety instrument. Due to its magnetic coupling isolator enclosed structure. Especially suitable for detecting flammable, explosive, corrosive and toxic liquid levels. Thus, the liquid level detection method in the original complex environment becomes simple, reliable, and safe. The liquid level gauge has a direct reading feature for on-site display. No need for multiple sets of liquid level gauges to be combined. It has a single unit for full range measurement. The device has advantages such as fewer openings, clear display, prominent markings, and intuitive readings. When the liquid level gauge is directly equipped with a display instrument, the intermediate transmission of the system signal detection can be eliminated to improve its transmission accuracy.

Factors to consider when choosing a magnetic level gauge: When choosing a level gauge, the following factors should be taken into account:

(1) Measuring objects, such as the physical and chemical properties of the measured medium, as well as working pressure and temperature, installation conditions, and the speed of liquid level changes;

(2) Measurement and control requirements, such as measurement range, measurement (or control) degree, display mode, on-site indication, remote indication, interface with computer, safety and anti-corrosion, reliability, and construction convenience. The commonly used level gauges and selection points in water supply engineering are as follows:

Structure principle of magnetic float level gauge:

The liquid level gauge is developed based on the principle of buoyancy and magnetic coupling. When the liquid level in the tested container rises or falls, the liquid level gauge

The magnetic float in the body tube also rises and falls accordingly, and the magnetic steel inside the float is transmitted to the magnetic flip column indicator through magnetic coupling, driving the red and white flip columns to flip 180 °. When the liquid level rises, the flip column changes from white to red, and when the liquid level drops, it changes from red to white. The red and white boundary of the indicator is the actual height of the liquid level inside the container, thus achieving clear indication of the liquid level.