Method for improving measurement accuracy of guided wave radar liquid level gauge

The measuring distance of the radar level gauge can reach 70 meters. It can be used for level measurement of storage tanks, intermediate buffer tanks or process vessels, and outputs 4-20mA analog signal. The radar level gauge transmits and receives microwaves through the radar antenna, which can be exchanged for level signals through the internal system. How to solve the accuracy problem of the radar level gauge: 1. When using the guided wave radar level gauge, you must pay attention to the measurement range. Exceeding the range will not only get accurate measurement data, but also may cause damage to the radar level gauge. The measurement range should be calculated from the bottom of the tank touched by the light wave. If the storage tank is special and the bottom is concave, at this time the material level is lower than the calculation point, and the measurement cannot be performed. 2. When measuring a medium with low dielectric constant, if its material level is lower than the measured value of the liquid level and the bottom of the tank is visible, to make the measured value more accurate, the zero point can be adjusted upwards to be higher than the bottom of the tank. Location. Although it is said that the measurement range value can reach the top of the antenna tip, this is only an ideal situation. In reality, the effect of adhesion needs to be considered, so try to fix the measurement value at least 100mm away from the top of the antenna. 3. If the measured medium is in constant motion, in order to ensure the accuracy of the measurement, it is recommended to fix the still-pipe at the bottom of the storage tank on site, and then fix it in the middle. During the welding process, it is necessary to ensure that the inner wall of the still-pipe is In order to prevent the bumps from hindering the guided wave, it is also necessary to ensure the smoothness of the welding. Related product links: 80G radar level gauge 922.html

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