Abstract: The present disclosure relates to an ultrasonic transducer arrangement of a clamp-on ultrasonic, flow measuring point having a plurality of clamp-on ultrasonic transducers, wherein the arrangement is configured to be applied on measuring tubes of various diameters, without necessitating new orienting of the ultrasonic transducers of the ultrasonic transducer arrangement.

Abstract: The present disclosure relates to a measuring assembly comprising: a metallic measuring tube open on both sides for carrying a medium, wherein the measuring tube has an outer circumferential surface, an inner circumferential surface, and at least two apertures, wherein the two apertures extend from the outer circumferential surface to the inner circumferential surface; a dielectric cladding layer, which rests on the inner circumferential surface of the measuring tube; a first microwave antenna, which is arranged in the measuring tube and with which contact can be made through the first aperture; a second microwave antenna which is arranged in the measuring tube and with which contact can be made through the second aperture; wherein the dielectric cladding layer forms a dielectric waveguide, via which microwaves can, at least to some extent, reach from the first microwave antenna to the second microwave antenna.

Abstract: Disclosed is a magnetically inductive flow measuring probe for determining flow rate and/or flow velocity of a medium, which includes a front part with a front end having a center, a housing, a magnetic field producing means arranged in the housing for producing a magnetic field passing through the front end, and a measuring- and evaluation unit, and characterized in that there are arranged on the front end and forming galvanic contact with the medium three measuring electrodes, which form three measuring electrode pairs, and in that the measuring- and evaluation unit is adapted to register induced measured voltages between at least two measuring electrode pairs, especially three measuring electrode pairs, and to ascertain flow rate and/or flow velocity of the medium as a function of the registered voltages.

Abstract: An interface adapted for connecting a fluid measurement point includes a body including at least two connection locations, wherein the body has fluid ducts, each of which has a connection location, wherein the fluid ducts have at their connection locations first duct axes, wherein the connection locations are especially coplanar, wherein the connection locations are adapted for connecting process connectors from a connection direction for sealed communication with the fluid ducts, wherein the fluid ducts are adapted via the process connectors to supply, and drain, a medium, respectively, to and from the fluid measurement point, wherein the interface has at least one holding element for releasably securing at least one process connector to the body, wherein the holding element has at least one process connector seat, wherein the holding element is adapted to be moved into an end position (EP) effecting the securement.

Abstract: A magnetic-inductive flowmeter for ascertaining flow velocity and/or volume flow of a medium includes a measuring tube for conveying the medium, a magnetic field producing apparatus and at least one electrode assembly, which is installed in the measuring tube such that it forms a galvanic contact with the medium, wherein the electrode assembly has an electrode body, wherein the electrode body is stylus-shaped and has a front end surface, characterized in that a pressure measuring transducer is coupled with the electrode body, wherein the pressure measuring transducer is contactable with the pressure acting on the front end surface, and the electrode assembly includes a temperature sensor, which is adapted to ascertain a measurement signal dependent on temperature of the medium.

Abstract: A PAM transceiver configured to process an electrical data signal having at least three states includes an electronic circuit comprising: a data interface configured to connect to a duplex communication channel; a first circuit section connected to the data interface; and a second circuit section connected to the data interface. The first circuit section includes an equalizer for compensating for distortions in the data signal and an interpreter downstream of the equalizer for recognizing symbols. The second circuit section includes a delay unit for time-shifting the data signal and an MMA processor for recognizing a signal phase of the data signal. The first circuit section and the second circuit sections are routed to the MMA processor. The second circuit section has a finite impulse response filter configured to monotonize an impulse response of the communication channel.

Abstract: The invention relates to a Coriolis measuring sensor for detecting a mass flow rate or a density of a medium flowing through a measurement tube of the Coriolis measuring instrument. The measurement tube has an inlet and an outlet designed to convey the medium between the inlet and the outlet; an exciter; and two sensors; the measuring sensor comprising a supporting element having a chamber designed to house the measurement tube at least in portions. The magnet device comprises a magnetically conductive holder for magnets and a first pair of magnets arranged on the holder on a first face of the coil device, with the magnets designed to cause a magnetic field perpendicularly to a cross-sectional plane of the coil, and the magnetic field of a first magnet of the pair is oriented so as to be opposite to the magnetic field of a second magnet of the pair.

Abstract: Disclosed is a measurement pickup for determining the mass flow rate of a liquid comprising: at least one measurement tube for carrying the liquid having an inlet-side end section and an outlet-side end section; a support body on which the measurement tube is mounted an exciter for exciting vibrations of the measurement tube; at least one vibration sensor for detecting vibrations of the measurement tube; an operating and evaluation circuit for driving the exciter, for receiving the signals of the vibration sensor, and for ascertaining a measured value representing the mass flow rate. The operating and evaluation circuit comprises an adaptive low-pass filter for filtering the sequence of measured values representing the mass flow rate, wherein the low-pass filter has at least one filter parameter dependent on at least one adaptive controlled variable that, for its part, is dependent on the gas content of the test medium.

Abstract: The coil comprises a coil carrier, a coil wire at least partially surrounded by an insulating layer and wound around the coil carrier, as well as a protective cover layer at least partially covering the coil wire wound around the coil carrier. The coil wire is composed, at least partially, of silver, the insulating layer surrounding the coil wire is composed, at least partially, of a ceramic material, and the protective cover layer is composed, at least partially, of a ceramic material and/or a glass.

Abstract: A magnetic-inductive flowmeter includes a measuring tube for conveying a medium, a magnetic field generating coil and at least two measuring electrodes for sensing a measurement voltage inductively generated in the medium, including a conductive coating internally selectively applied in the measuring tube for forming a galvanic contacting of the medium.

Abstract: Disclosed is a field device of automation technology comprising a measuring transducer for ascertaining a measurement signal and a measurement transmitter for output of the measurement signal ascertained. The field device has at least one housing of the measuring transducer and/or of the measurement transmitter, in which electronic components of the measuring transducer and/or of the measurement transmitter are arranged, characterized in that the electronic components are embedded in an epoxide polymer foam, which is a reaction product of a self foaming, potting compound comprising at least the following components: 25 to 75 wt-% of a diglycidyl ether resin; at least one amine containing hardening system comprising a Mannich base; and at least one foaming agent, and a method for manufacturing a field device of automation technology.

Abstract: A Coriolis mass flow meter comprises a vibration element, an exciter assembly, a sensor assembly, and an electronic transformer circuit electrically coupled to the exciter assembly and the sensor assembly. The vibration element is contacted by the flowing fluid. The exciter assembly is designed to convert electric power into mechanical power to produce mechanical vibrations of the vibration element. The transformer circuit generates an electric driver signal and feeds electric power to the exciter assembly. The vibration element mechanically vibrates with a vibration frequency specified by the electric driver signal. The sensor assembly has two electrodynamic vibration sensors designed to convert vibrational movements of the vibration element at a first or at a second measurement point into electric vibration measurement signals having an AC voltage component with a frequency and with an amplitude based on the frequency and on a magnetic flux flowing through the respective vibration sensor.

Abstract: A thermal flowmeter for measuring the mass flow rate of a medium in a measuring tube, includes: a measuring tube having a measuring tube wall; a sensor having four probes that project into the measuring tube from a main sensor body; and an electronic measuring/operating circuit designed to operate at least three probes and to generate and provide flow measurement values by operating the probes, each probe having a main probe body and an active probe body, the active probe body designed to heat the medium, to determine the temperature of the medium and/or to influence a flow of the medium in the measuring tube, wherein the main probe bodies span a rhombus on a surface of the main sensor body, and the rhombus is defined by centroid points of cross-sections of the main probe bodies.

Abstract: Disclosed is a method and a device for detecting a non-condensable portion of a medium, which has at least one condensable portion and is present at least partially in gaseous form, wherein in a first method step a temperature measuring device measures a temperature of the medium and a pressure measuring device measures a pressure of the medium, wherein in a second method step a ratio of the pressure to temperature is formed by means of an electronic measuring/operating circuit and this ratio is compared with a desired ratio of a desired pressure and a desired temperature, and wherein in a third method step the electronic measuring/operating circuit outputs a report in case of a minimum deviation of the ratio from the desired ratio.

Abstract: A magnetically inductive flow meter having a measuring tube with a wall, which includes an electrically insulating surface of a first material, and an electrode having an electrode axis, wherein the electrode has at least one electrode end surface for tapping off a measuring signal, in particular a measuring voltage, in a measuring medium, and has an electrode shank extending through the measuring tube wall, wherein the electrode has a stop projecting from the electrode shank with a stop surface to limit the displaceability of the electrode relative to the wall along the electrode axis, wherein the electrode has an electrically insulating coating in a region of the electrode shank and in a region of the stop surface, wherein the material of the electrically insulating coating has a Shore hardness which is equal to or lower than that of the first material.

Abstract: A measuring device for measuring flow velocity includes a measuring tube, a measuring transducer for registering a measured variable and outputting a first measured value representing the measured variable, a temperature sensor, and an electronic measuring/operating circuit. The temperature sensor has a sensor element and electrically conductive leads. Each lead is connected with the sensor element and has a first section following on the connection location. The sensor element has a maximum periphery. The first section has a separation of less than 5% of a measuring tube radius from a measuring tube wall, wherein a length of each lead in the first section is at least 25% of the maximum periphery. The leads are guided in their first section at least in certain regions along the maximum periphery, and in their first section are in certain regions in thermal contact with the measuring tube.

Abstract: The Coriolis mass flowmeter includes a measuring tube, an exciter mechanism, a sensor arrangement, and an electronic transmitter circuit including measuring and control electronics and drive electronics connected to the measuring and control electronics. The drive electronics are adapted, in a first operating mode, to generate an electrical driver signal that supplies electrical power to the exciter mechanism such that the measuring tube executes forced oscillations having an excitation frequency and, in a second operating mode, to cease generating the electrical driver signal. The transmitter circuit is adapted to switch the drive electronics from the first operating mode to the second operating mode such that the measuring tube executes free, damped oscillations in the second operating mode, and the measuring and control electronics are adapted to, based on a phase difference between oscillation measuring signals from the sensor arrangement, to generate measured values representing the mass flow rate.

Abstract: A method for determining an inverse impulse response of a communication channel by means of a PAM receiver comprises the following method steps: switching on the PAM receiver; if a second PAM transceiver is switched on, setting a difference between a clock frequency of the data signal and a sampling frequency of the first PAM transceiver; comparing a symbol that is output by the interpreter with a state that is supplied to the interpreter, and outputting an error value, wherein in each case a symbol associated with a sampling clock is compared with a state associated with the same sampling clock; adapting m filter coefficients of the equalizer to minimize error values; repeating the third method step and the fourth method step until an error limit value is reached.