Four magnetic troubleshooting methods for magnetic flap level gauge

The magnetic flap liquid level gauge will malfunction due to magnetic reasons in the actual use process. If the float is not absorbed at the liquid level switch, it can rise with the liquid level, either increasing the buoyancy, or reducing the gravity or reducing the Magnetic attraction between float and level switch. Regarding these two different treatment methods, if the buoyancy is increased, the volume of the float will inevitably increase, and the gravity of the float will also increase, but the float is in the buoy, and the volume increase is not large. However, by reducing the gravity, the center of gravity of the float may move up, and the float is prone to sideways rotation and friction with the float. The meter shows a deviation. How to reduce the magnetic attraction between the magnetic switch and the float, there are four methods: (1) reduce the magnetic properties of the micro switch. The magnetic attraction between the float and the micro switch is also reduced. During the rise or fall of the float, the force of the float to drive the micro switch becomes smaller, and the operation of the magnetic flap level gauge will not be affected. (2) Reduce the magnetism of the float, but it will cause the flap to rotate slowly, lag or fail to move. Because the flipping of the magnetic flap is driven by the magnetic attraction of the float, reducing the magnetic force of the float also reduces the magnetic attraction, which is easy to cause abnormal operation of the flap. (3) Increase the distance between the float and the micro switch, because the magnetic attraction increases with the decrease of the distance of the magnetic material, and increasing the distance will also reduce the magnetic attraction of the float to the micro switch. Specifically, an iron sheet can be installed at the micro-switch of the float, and the micro-switch can be added after a certain thickness, so that the magnetic attraction of the float can just drive the float and the attraction is not too large. (4) Increase the rotation angle of the micro switch. Under the action of the magnetic force of the float, the micro switch can rotate a certain angle, but because the micro switch is restricted by the limit column, the actual rotation angle is very small. After increasing the rotation angle, the micro switch magnetic column rotates with the rise of the float and turns to the limit column. If the force between the float and the micro switch magnetic column is small at this time, the float will not be affected by the micro switch. of the force. In addition to the magnetic replica level gauge, the externally mounted liquid level gauge is also a commonly used liquid level gauge in recent years. For non-contact measurement, the ultrasonic sensor is installed directly below the outer wall (bottom) of the container to be tested. It does not need to open holes in the container to be tested. It is easy to install and can detect various toxic substances, strong acids, strong Accurate level measurement of alkalis and various pure liquids. The liquid level gauge has no special requirements for the material of the liquid medium and the container, and adopts the explosion-proof design to meet the explosion-proof requirements and meet the measurement needs.

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Overall, level gauge may be a great way for manufacturers to expand their use of technology, but the price could present a significant hurdle for some businesses.