A method for monitoring the condition of a according to the operating level measurement instrument and corresponding device for measuring fill-level radar principle

摘要

Is described and illustrated a method for monitoring the condition of a according to the operating level measurement instrument (1 radar principle). In this case, the level measuring instrument (1) has a transmitting / receiving unit (2) for sending and receiving electromagnetic signals and an antenna (3) on. The antenna (3) is provided with an interior space (4) and is formed by a transmission characteristic with respect to the transmission of electromagnetic signals characterized.The object of the invention is to propose a process, the simpler than in the prior art is.The object is achieved in the process under discussion is achieved in that the electromagnetic signals at least partially in the direction of a wall portion (5) of the inner space (4) of the antenna (3) or are sent, that the received electromagnetic signals in regard to the transmission characteristic of the antenna (3) are evaluated, and in that the result of the evaluation is compared with a comparison value. Furthermore, the invention relates to a according to the operating device for measuring fill-level radar principle.