Patent ID: 9653802
Date: 2017-05-16
CPC Classifications: G01F,G01S,H01Q

Claim:
1. A radar-based fill level measurement device comprising a signal generator for the purpose of generating electromagnetic waves, and an antenna for the purpose of emitting the electromagnetic waves into a container, as well as for the purpose of receiving electromagnetic waves reflected out of the container, further comprising a security device for the purpose of verifying the functional capability or improving the measurement quality of the radar-based fill level measurement device, wherein the security device comprises a reflector and an adjusting device, and moves the reflector at least between a first position, in which it reflects the electromagnetic waves, and a second position, in which it reflects the electromagnetic waves to a reduced degree, wherein the security device has a drive which acts on the adjusting device, and wherein in the second position, a reduction device is arranged such that the reflector in the second position is accommodated in the reduction device.