Patent ID: 7328611

Claim:
An arrangement for measurement of a level of a medium in a container, comprising: a mounting section surrounding an opening of the container, a tubular adapter having a first standard connector located on a first end of said tubular adapter and a second standard connector located on a second end of said tubular adapter, said tubular adapter being mounted on said mounting section of the container by said first standard connector; an isolation window transparent for microwaves for sealing a passageway through said tubular adapter, and having an outer rim, which is clamped between said mounting section and said first standard connector; and a microwave level measurement device, including a housing, which is mounted on a tube, said tube comprising a process connector located on an end of the tube for mounting said microwave level measurement device on said second standard connector of said tubular adapter, and an antenna, which is entirely located inside the tube, wherein: said tubular adapter allows for removal of the entire microwave level measurement device without breaking the seal of the container provided by said isolation window; said isolation window further has a cone including a tip which faces the container.