Patent ID: 8511159

Claim:
An arrangement for measuring fill levels of fill substances located in containers at different predetermined measuring locations, comprising: a fill level measuring device arranged removed from the measuring locations, and operating with microwaves according to the travel time principle, said fill-level measuring device having an antenna for directed sending of microwaves and for receiving microwaves; a mirror arrangement, which has mirrors arranged at the measuring locations above the fill substance, and which transmits onto the surface of the fill substance, at the measuring locations, microwaves sent from said antenna in their transmission direction and which transmits back to said antenna their echoes reflected on the surface of the fill substance; and a measuring device electronics, to which are fed, in measurement operation, received signals received with said antenna, and which, on the basis of the received signals, ascertains the travel times of the microwaves reflected at the measuring locations on the surface of the fill substance and ascertains therefrom, on the basis of the positions of said mirror arrangement arranged above the fill substance, the present fill levels at the measuring locations.