Radar level gauge system
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Dec 21, 2006
filing date -
Dec 21, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A radar level gauge system for determining a filling level of a filling material in a tank is disclosed. The system comprises: a wave guide arranged within the tank; a signaling unit arranged outside the tank, and comprising a transmitter for transmitting measuring signals towards the surface of the filling material in said wave guide and a receiver for receiving echo signals from the tank, wherein the transmitter is preferably arranged to provide measuring signals of a frequency below 3 GHz. Further, a coaxial cable for forwarding the measuring signals and the echo signals between the wave guide and the signaling unit is provided, wherein the coaxial cable is of a length which is at least as long as the height of the tank. By means of this radar level gauge system, it becomes relatively easy and inexpensive to replace mechanical level gauge systems, so-called 'float and tape systems'.
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