Radar level gauge installation instructions

Radar level gauges are widely used in metallurgy, building materials, energy, petrochemical, water conservancy and other industries. Whether the radar level gauge can measure correctly depends on the signal of the reflected wave. If the liquid level cannot reflect the electromagnetic wave back to the radar antenna at the selected installation position, or there is an interference wave within the range of the signal wave that reflects the interference wave to the radar level gauge, the radar level gauge cannot correctly reflect the actual liquid level. Therefore, the reasonable selection of the installation position is very important for the radar level gauge. The following points should be paid attention to during installation: 1. The axis of the radar level gauge antenna should be perpendicular to the reflective surface of the liquid level. 2. Objects such as the stirring valve in the tank, the adhesions on the tank wall and the steps, if they are within the signal range of the radar level gauge, will produce disturbing reflected waves, which will affect the level measurement. When installing, choose a suitable installation location to avoid the interference of these factors. 3. The horn mouth of the horn-type radar level gauge should exceed a certain distance from the inner surface of the installation hole (>10mm). The antenna of the rod level gauge should extend out of the mounting hole, and the length of the mounting hole should not exceed 100mm. For round or elliptical containers, it should be installed at a distance of 1/2R from the center (R is the radius of the container), and cannot be installed at the center of the top of a round or oval container, otherwise the radar wave will be in the wall of the container. After multiple reflections, they gather at the center of the top of the container, forming a strong interference wave, which will affect the accurate measurement. 4. For the liquid level measurement of the container with large liquid level fluctuation, the liquid level gauge with a bypass pipe can be used to reduce the influence of the liquid level fluctuation.

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