Patent ID: 9109941
Filing Date: 2015-08-18
Classification: G01F,H01P

Abstract:
1. Microwave transmitting device for a level measuring device, comprising: an electronic device for generating microwave signals, a microwave emitter, a printed circuit board on which both said electronic device and said microwave emitter are arranged, and a waveguide for guiding said microwave signals, said microwave emitter coupling said microwave signals into said waveguide, further comprising a casing in which said electronic device, said microwave emitter, and said waveguide are located, wherein a casting/potting compound both fills the inside of said waveguide and forms a casting, said casting enclosing both said microwave emitter and said electronic device, and wherein said wavequide has a termination with a relative permittivity, said termination projecting from said casing and wherein said casting/potting compound has a relative permittivity matching the relative permittivity of said termination.