Abstract: A microwave module 1 for a fill level measuring device 2 operating with the runtime method, has a chip for generating and/or receiving microwave signals and a carrier element. To provide an advantageous as possible microwave module, the chip is located in a cavity 9 of the carrier element 8.

Abstract: A Device for determining the flow of a flowing medium according to the float principle with at least one floating body and at least one measuring tube with medium flowing through it, wherein the floating body is movable in the measuring tube along an axis (4). To provide a device for measuring the flow rate according to the float principle that, in certain areas, shows insensitivity to changes in properties of the medium or changes of process variables affecting the properties of the medium, an actuating element is provided that acts upon the floating body depending on at least one property of the medium and/or depending on at least one process variable acting on a property of the medium.

Abstract: A microwave transmitting device for a level measuring device (1) having an electronic device, a microwave emitter and a waveguide (3). The inside of the waveguide is filled with a casting compound. A microwave transmitting device that is particularly compact and cost-effective is implemented by the microwave emitter and the electronic device being enclosed by a casting formed of a casting/potting compound.

Abstract: A microwave window for the spatial, pressure-impervious and diffusion-impervious separation and microwave connection of a first space from/to a second space, and a level-measuring system that works according to the radar principle, is provided with a barrier that has two opposite sides and is at least partially permeable to microwaves. To provide a microwave window that makes possible a reliable sealing of a process space and exact measurement, the microwave window has the barrier designed as a disk on at least one side of which at least one plano-convex dielectric lens, which has an essentially homogenous body.

Abstract: A level measuring system which operates according to the radar principle for measuring the level of a medium which is located in a vessel has a signal transmission apparatus for emission of an electromagnetic signal, an electronic apparatus which generates an electromagnetic signal, and a pressure-tight and/or diffusion-tight separating element. The electronic apparatus is made in several parts, one of which is a signal generating component. The signal generating component and another component of the electronic apparatus are made as independent units which are spatially separated from one another. There is a communication apparatus between the signal generating component and the other component, and there is a pressure-tight and/or diffusion-tight separating element between the other component and the signal transmission apparatus.

Abstract: A waveguide coupling, in particular for a radar level indicator having a waveguide, a carrier plate and at least one feed line, wherein the waveguide is placed on a first side of the carrier plate on the carrier plate, the feed line is guided on and/or in the carrier plate into the inner area of the waveguide and the feed line terminates with an end in the inner area of the waveguide. The carrier plate is continuous in the inner area of the waveguide and thus extends beyond the end of the feed line, an electrically conductive coupling element is arranged near the end of the feed line on and/or in the carrier plate, so that the coupling element is capacitively coupled with the feed line and the coupling element serves to couple electromagnetic waves led into the waveguide via the feed line in the waveguide.

Abstract: A vortex flow meter (1) with a measurement tube (2) through which a medium can flow, a baffle body (3) for generating vortices in the medium and a deflection body (4) which can be deflected by the pressure fluctuations which accompany the vortices in the medium. The vortex flow meter seeks to avoid the disadvantages of the implementations of the measurement principle of the prior art there being an electronic unit (6) which exposes the deflection body (4) to electromagnetic radiation and receives electromagnetic radiation from the deflection body (4).

Abstract: A Device for determining the flow of a flowing medium according to the float principle with at least one floating body and at least one measuring tube with medium flowing through it, wherein the floating body is movable in the measuring tube along an axis (4). To provide a device for measuring the flow rate according to the float principle that, in certain areas, shows insensitivity to changes in properties of the medium or changes of process variables affecting the properties of the medium, an actuating element is provided that acts upon the floating body depending on at least one property of the medium and/or depending on at least one process variable acting on a property of the medium.

Abstract: A microwave window for the spatial, pressure-impervious and diffusion-impervious separation and microwave connection of a first space from/to a second space, and a level-measuring system that works according to the radar principle, is provided with a barrier that has two opposite sides and is at least partially permeable to microwaves. To provide a microwave window that makes possible a reliable sealing of a process space and exact measurement, the microwave window has the barrier designed as a disk on at least one side of which at least one plano-convex dielectric lens, which has an essentially homogenous body.

Abstract: A vortex flow meter (1) with a measurement tube (2) through which a medium can flow, a baffle body (3) for generating vortices in the medium and a deflection body (4) which can be deflected by the pressure fluctuations which accompany the vortices in the medium. The vortex flow meter seeks to avoid the disadvantages of the implementations of the measurement principle of the prior art there being an electronic unit (6) which exposes the deflection body (4) to electromagnetic radiation and receives electromagnetic radiation from the deflection body (4).

Abstract: A method for producing a converter module (1) a correspondingly produced converter module are improved by at least part of a structure (3) being produced on a carrier (2) forming a component of the converter module (1) and by a material containing metal being at least partially applied on the carrier (2).

Abstract: A microwave window (1) for spatial separation and microwave connection of a first space (2) from or with a second space (3) having an at least partially microwave-transparent pane (8) with two sides (6, 7) opposing one another. To provide a microwave window, which allows for an alternative reduction of the reflection of waves, the pane (8) is provided with at least one indentation or recess (9) on at least one side (6). The window (1) is incorporated into a fill level measuring system (10) using the radar principle.

Abstract: A drive unit for a synchronous ion shield mass separator having a reference oscillator (1), a digital direct synthesizer (2), a low-pass filter (3) and a comparator (4), wherein the synchronous ion shield mass separator has a comb-shaped separation electrode (6), the reference oscillator (1) provides the direct digital synthesizer (2) with a reference frequency, the output signal generated by the direct digital synthesizer is filtered by the low-pass filter (3) and the output signal of the low-pass filter (3) is processed by the comparator (4). A drive unit that can be applied flexibly and economically is implemented in that the output signal of the comparator (4) is converted by a programmable element (11) into a number of output signals corresponding to the number of teeth (7) of the comb-shaped separation electrode (6).

Abstract: A waveguide coupling, in particular for a radar level indicator having a waveguide, a carrier plate and at least one feed line, wherein the waveguide is placed on a first side of the carrier plate on the carrier plate, the feed line is guided on and/or in the carrier plate into the inner area of the waveguide and the feed line terminates with an end in the inner area of the waveguide. The carrier plate is continuous in the inner area of the waveguide and thus extends beyond the end of the feed line, an electrically conductive coupling element is arranged near the end of the feed line on and/or in the carrier plate, so that the coupling element is capacitively coupled with the feed line and the coupling element serves to couple electromagnetic waves led into the waveguide via the feed line in the waveguide.

Abstract: A drive unit for a synchronous ion shield mass separator having a reference oscillator (1), a digital direct synthesizer (2), a low-pass filter (3) and a comparator (4), wherein the synchronous ion shield mass separator has a comb-shaped separation electrode (6), the reference oscillator (1) provides the direct digital synthesizer (2) with a reference frequency, the output signal generated by the direct digital synthesizer is filtered by the low-pass filter (3) and the output signal of the low-pass filter (3) is processed by the comparator (4). A drive unit that can be applied flexibly and economically is implemented in that the output signal of the comparator (4) is converted by a programmable element (11) into a number of output signals corresponding to the number of teeth (7) of the comb-shaped separation electrode (6).

Abstract: A microwave transmitting device for a level measuring device (1) having an electronic device, a microwave emitter and a waveguide (3). The inside of the waveguide is filled with a casting compound. A microwave transmitting device that is particularly compact and cost-effective is implemented by the microwave emitter and the electronic device being enclosed by a casting formed of a casting/potting compound.