What is the relationship between the opening of a radar level gauge and its beam angle?
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I would like to ask the teachers: Is there a relationship between the opening size of a radar level gauge and its beam angle? The larger the opening, the smaller the beam angle – how can this relationship be explained?
The beam angle should be related to the design of the radar – horn-shaped or needle-shaped. Non-contact types are much more expensive than ordinary rod-type ones; it is recommended to choose the rod-type option