The difference between magnetic float level gauge | magnetic flip level gauge | magnetic flip column level gauge

Magnetic float level gauges, magnetic flap level gauges, and magnetic column level gauges are all magnetic float level gauges, all of which work according to the principle of buoyancy and magnetic coupling. So, what are the differences between the magnetic flap level gauge, the magnetic column level gauge and the magnetic float level gauge? The working principle of the magnetic flap liquid level and the magnetic flap liquid level gauge are the same, and the application scenarios are the same. Magnetic flap (column) level gauges are generally installed on the side of the tank container, and can also be installed on the top. They can be used for medium level detection in various towers, tanks, tanks, spherical containers and boilers. Therefore, the magnetic flip level gauge and the magnetic flip column level gauge actually refer to the same product, and the main difference is that the shape of the flip unit in the indicator panel of the two is different. 1. The flipping unit of the magnetic flap level gauge is in the shape of a rectangular block, similar to a flat plate type. A cylindrical magnetic steel is placed inside the flap, and the magnetic poles of the magnetic steel are on both sides of the flap, so it is called a magnetic flap. It is customary to call this The liquid level gauge is a magnetic flap level gauge. The material of this flap is usually aluminum alloy and plastic. 2. The flip unit of the magnetic flip column level gauge is cylindrical, and there is also a magnetic steel inside. Its magnetic poles are on the front and back half cylinders of the cylinder. Because its shape is cylindrical, it is called a magnetic flip column, which is also called a magnetic flip column. This type of liquid level gauge is a magnetic flip-column liquid level gauge. The material of this flip-up column is generally made of plastic. In order to be suitable for ultra-high temperature conditions, some manufacturers also use ceramics. The difference between the magnetic flap level gauge and the magnetic float level gauge The magnetic float level gauge is referred to as the float level gauge, also called the plug-in level gauge. It has the advantages of simple structure, convenient use, stable performance, long service life, and easy installation and maintenance. It is widely used in liquid level measurement, control and monitoring in the fields of petroleum processing, food processing, chemical industry, water treatment, pharmaceuticals, electric power, papermaking, metallurgy, ships and boilers. Compared with the magnetic flap level gauge, it has the following differences: 1. The installation position is slightly different. Unlike the magnetic flap liquid level gauge, which can be installed on the side of the container or on the top of the container, the magnetic float level gauge is generally installed on the top of the container, and the meter head has a digital display of the on-site liquid level, and its working principle is similar to that of a dry reed. Tube level transmitter. 2. The working principle is different. 1) The working principle of the magnetic flap liquid level gauge is that when the liquid level in the measured container rises or falls, the magnetic float in the body tube of the liquid level gauge rises and falls under the action of buoyancy, and the permanent magnetic steel in the float rises and falls. It is transmitted to the magnetic indicator through the action of magnetic coupling, and drives the red and white flipping columns to flip 180°. When the liquid level rises, the flipping column changes from white to red. When the liquid level drops, the flipping column changes from red to white. The red and white junction of the level gauge indicator is the actual height of the liquid level inside the container, so as to achieve a clear indication of the liquid level. Under normal circumstances, the flip plate or flip column of the display is red and white. 2) The magnetic float of the magnetic float level gauge is usually hollow and passes through a guide rod in the middle. Its working principle is that when the float moves up and down along the guide rod with the change of the liquid level, the magnetic steel in the float is located. The position of , will change the closed state of the magnetic switch in the reed switch in the guide rod. Only the reed switch within the action range of the magnetic steel is closed, and the others are in the open state, thereby changing the resistance value of the circuit. The position of the float is equivalent to the sliding point of the potentiometer. As the position of the float changes, the resistance value changes, and the output voltage changes accordingly. Through current/voltage conversion, it is converted into a current signal output of 4-20mA, so as to realize the electrical signal output. Remote transmission and control, and can drive the LED liquid level display on the field meter. The resolution is usually ±5mm and ±10mm. The more reed switches are used, the higher the accuracy.
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