The guided
wave radar liquid level meter comprises a liquid level meter body and a wave guiding mechanism, the wave guiding mechanism comprises an outer
pipe, a wave guiding piece and a supporting
assembly, the upper end of the wave guiding piece is fixedly connected with the liquid level meter body, the lower end of the wave guiding piece extends into a container, and the outer
pipe is configured to be of a communicating
vessel structure so that a
liquid medium in the container can enter an inner cavity of the outer
pipe at the same liquid level; the wave guide piece is arranged in an inner cavity of the outer pipe in the axial direction, is electrically connected with the liquid level meter main body and is used for transmitting
radar waves emitted by the liquid level meter main body; the supporting assemblies are axially arranged between the outer pipe and the wave guide part at intervals; wherein the supporting assemblies are arranged at intervals of 25-35 cm in the axial direction, and at least one supporting
assembly comprises two sets of supporting structures which are adjacently arranged in the axial direction. According to the guide
wave radar liquid level meter, more supporting structures are arranged in the axial direction, the limiting effect on the wave guide piece is better, the
resonance degree is reduced, abrasion of the supporting
assembly is relieved, the detection accuracy and use reliability of the guide
wave radar liquid level meter are improved, and the service life of the guide wave
radar liquid level meter is prolonged.