Abstract: A radar module for level and/or limit level monitoring in plant automation, comprising a radar signal source that generates and transmit a radar signal, the radar signal source having a surface facing a filling material, a radar signal conductor that receives, conducts and emits the radar signal, the radar signal conductor being mounted on the surface of the radar signal source, and a potting compound that at least partially covers the surface of the radar signal source and at least partially covers the radar signal conductor.

Abstract: A radar measuring device for level and/or limit level monitoring is provided, including a radar signal source configured to generate and/or transmit a radar signal, an antenna arrangement configured to direct the radar signal, a plano-convex lens with a plane side configured to face a medium and to focus the radar signal, the radar measuring device being configured such that the plane side rests at least partially on a container surface and such that a contact surface is formed between the plano-convex lens and the container.

Abstract: Described are a dielectric conductor arrangement, a method for producing the conductor arrangement, a level radar and a use of the conductor arrangement. The conductor arrangement has a dielectric conductor core made of a solid. Furthermore, the conductor arrangement has a coating 30 which, at least in sections, surrounds the entire circumference of the conductor core without a gap and which consists of a thin conductive layer.

Abstract: A reflection microwave barrier for monitoring a limit level in at least one working area by outputting a switching signal. The reflection microwave barrier including a microwave transmitter for continuously emitting a time modulated microwave signal, a microwave receiver arranged on the same side of the at least one working area as the microwave transmitter to receive a reflection of the microwave signal, and a control circuitry communicating with the microwave receiver for a detection and monitoring of echo signals in the received reflection of the microwave signal. The control circuitry calculates the runtime of an echo signal), when the amplitude of the echo signal rises or increases. Furthermore, the control circuitry determines by the calculated runtime, whether an origin of the echo signal lies within the at least one working area, and only outputs the switching signal in this case.

Abstract: A battery operated level measuring device with a remaining life determination device which provides information from which a minimum value of the remaining battery life can be calculated. This calculation of the remaining battery life can be done in the measuring device or cloud.

Abstract: There is provided an antenna device including a signal source configured to generate a transmit signal with a basic frequency, a control device, and a first transmit channel. The transmit channel includes a first frequency conversion device and a first transmit device with a first frequency pass band. The control device is connected to the first frequency conversion device, which is configured to perform time-controlled conversion of the basic frequency of the transmit signal to a first transmit frequency, which lies in the first frequency pass band of the first transmit device, in order to provide via the first transmit channel a first transmit signal with the first transmit frequency.

Abstract: Battery-operated field devices and methods for operating battery-operated field devices, in particular field devices for fill level measurement, for determining a limit level, for detecting a topology of a filling material surface, or for displaying the measured values of these devices, is provided. A battery-operated field device, which may be a fill level sensor device, a flow sensor device, a pressure sensor device, or a display device, includes an energy storage means, a time management unit connected to the energy storage means via a first line, and a radio unit connected to the energy storage means via a switch, the radio unit being configured to transmit time information about a next measurement via a first interface to the time management unit and/or to receive the time information from the radio unit, when the switch is activated.

Abstract: Method for fill level measurement with a radar fill level measuring device using the following steps: sending a transmission design with a plurality of frequency ramps, receiving a reception signal per frequency ramp of the transmission signal, saving the reception signals in a memory, performing a first spectral analysis of the reception signals or performing a second spectral analysis of the reception signals, carrying out a second spectral analysis of several output signals of the first spectral analysis at the location of at least one significant reflector in the reception signal or performing a first spectral analysis of several output signals of the second spectral analysis, determining the distances of significant reflectors from the results of the first spectral analysis, determining the fill level echo based on the previously determined information.

Abstract: Method for measuring the flow velocity of a medium in an open channel with a radar meter, wherein a primary emission direction of the radar meter forms with a direction of a surface of the medium a first angle from 20° to 80° and with a flow direction of the medium a second angle between 0° and 80°, comprising the following steps: Sending a transmission signal with a plurality of frequency ramps, Receiving a reception signal per frequency ramp of the transmission signal, Saving the reception signals, Performing a first spectral analysis of the reception signals, Performing a second spectral analysis of several receiving signals or output signals of the first spectral analysis, Determining a flow velocity based on the phase change yielded from the output signals of the second spectral analysis in at least one distance in the distance range.

Abstract: A fill level measurement device for determining a topology of a filling material surface is provided, including an antenna apparatus including an array of radiator elements and a rotatable mount configured to rotate the antenna apparatus about an axis that is in parallel with the array, such that a plurality of emission angles of the antenna apparatus are electronically and mechanically settable relative to the filling material surface without local overscanning occurring.

Abstract: A radar fill level measurement device for fill level measurement or for detecting a topology of a filling material surface in a container is provided, including: a first radar chip and a second radar chip, the first radar chip including a first synchronization circuit configured to generate a high-frequency signal, and the second radar chip including a second synchronization circuit; a high-frequency line arrangement configured to transfer the high-frequency signal from the first synchronization circuit to the second synchronization circuit for synchronizing the two radar chips; and a high-frequency amplifier arranged in the high-frequency line arrangement and configured to amplify the high-frequency signal.

Abstract: A radar fill level measurement device for fill level measurement or for recording a topology of a filling material surface in a container is provided, including: a circuit board including a first radar chip on a first circuit board surface and a second radar chip on a second circuit board surface, the first chip and the second chip each including one or more transmission channels configured to generate a transmission signal, and one or more reception channels configured to receive the transmission signal reflected at the filling material surface, at least one of the transmission channels of the first chip being connected, via a first line, to an antenna assembly for radiating the transmission signal, and at least one of the reception channels of the second adar chip being connected, via a second line, to the antenna assembly for receiving the reflected transmission signal.

Abstract: A radar fill level measurement device includes an arrangement having at least one radar chip which has a plurality of transmitting channels and a plurality of receiving channels. In addition, the device includes an antenna arrangement having a plurality of transmitting elements and receiving elements. The device has more transmitting channels than transmitting elements and/or more receiving channels than receiving elements.

Abstract: A radar fill level measurement device for recording the topology of a filling material surface in a container, comprising at least two radar chips. One of the radar chips generates a local oscillator signal which, in order to synchronize the two chips, is transmitted thereto by a high-frequency line arrangement. The high-frequency line arrangement is arranged on different layers of the printed circuit board substrate.

Abstract: A fill level measurement device is provided, including a first radar chip and a second radar chip that is synchronised with the first radar chip, the first and second chips each include one or more transmission channels, each configured to radiate a transmission signal, and one or more reception channels, each configured to receive a reflected transmission signal from a filling material surface; an evaluation circuit, connected to the first and second chips by a data line assembly and being configured to calculate a fill level and/or a topology of the filling material surface of a medium in a container from reflected transmission signals received from the first and second chips; and a clock line assembly that connects the first chip to the circuit and is configured to provide the circuit with a common clock signal for evaluating the reflected transmission signals received from the first and second chips.

Abstract: A radar antenna for a fill level measurement device is provided that includes at least one carrier plate and at least two antenna elements that are arranged on the carrier plate and are configured to transmit and/or to receive a radar signal, wherein each of the antenna elements includes a waveguide configured to direct the radar signal, wherein an interior volume of each waveguide is at least partially filled with a dielectric, the antenna elements being arranged at a distance from one another that is less than or equal to a wavelength of the radar signal.

Abstract: Exemplary waveguide coupling configuration can be provided for a fill level radar antenna, e.g., in the form of a line scanner. The exemplary waveguide coupling configuration can include a waveguide openings on the antenna side which can have a distance from one another that can correspond to less than or equal to one half of the wavelength of the transmission signal. For example, the distance between adjacent radiator elements can be greater than one half of the wavelength of the transmission signal. In this exemplary manner, more space can be provided for a front end on the printed circuit board.

Abstract: A fill level measurement device can be provided for determining the topology of a filling material surface. The fill level measurement device can comprise an antenna array having at least three antenna apparatuses, each of which can be designed or configured to transmit a radar signal and to receive a signal reflected on the filling material surface. Furthermore, the fill level measurement device can comprises a control unit/device, the antenna array having at least three antenna faces, the surface normal vectors of which can be arranged transversely to one another, one antenna apparatus being arranged on each antenna face, so that a different solid angle range can be detected by each antenna apparatus.

Abstract: A waveguide coupling arrangement for a radar antenna according to an exemplary embodiment of the present disclosure can be provided. For example, the waveguide coupling arrangement can include a radiator element connected to a microstrip line configured to transmit and/or receive a radar signal, a waveguide configured to conduct the radar signal and a substrate on which the microstrip line, the radiator element and the waveguide can be arranged. The waveguide can have a cross section with a narrow side and a wide side. The narrow side can be shorter than the wide side. The microstrip line can be guided through the narrow side of the waveguide into the waveguide to the radiator element that is arranged in the interior of the waveguide. The microstrip line and the radiator element can be arranged on a surface of the substrate facing the waveguide.

Abstract: A reflection microwave barrier for monitoring a limit level in at least one working area by outputting a switching signal. The reflection microwave barrier including a microwave transmitter for continuously emitting a time modulated microwave signal, a microwave receiver arranged on the same side of the at least one working area as the microwave transmitter to receive a reflection of the microwave signal, and a control circuitry communicating with the microwave receiver for a detection and monitoring of echo signals in the received reflection of the microwave signal. The control circuitry calculates the runtime of an echo signal), when the amplitude of the echo signal rises or increases. Furthermore, the control circuitry determines by the calculated runtime, whether an origin of the echo signal lies within the at least one working area, and only outputs the switching signal in this case.