Patent ID: 7592946

Claim:
A level measurement arrangement for the measurement of a level of a product in a container, comprising: a level sensor, having a mounting element, including a process connector, for mounting said mounting element on a mating counter connector on an opening of the container, and a conductive probe segment extending from said mounting element into the container; a conductive probe extension, having a first end, which is permanently fixed to an inner wall of the container, and having a second end, which during measurement is detachably connected to an end of said conductive probe segment extending into the container; and sensor electronics, wherein: said sensor electronics comprises: means for generating and sending short electromagnetic pulses down said conductive probe segment and said conductive probe extension; means for reception of echoes of the pulses reflected at a surface of the product, and means for determining the level of the product in the container, based on a time of flight needed for a pulse to travel down said conductive probe segment and said conductive probe extension, together with the time for the reflected pulse to travel to said means for reception of said echoes.