Abstract: A measuring arrangement of the invention includes: At least one measuring device, which generates, repeatedly during operation, measured values, especially digital, measured values, representing the at least one measured variable to be registered; as well as an electronic data processing system superordinated to the at least one measuring device, especially a data processing system which is spatially distributed and/or spatially remote from the measuring device. Measuring device and data processing system are connected together by means of at least two line-pairs, through each of which an electrical current flows, at least at times, during operation. According to the invention, the measuring device transmits the internally generated, measured values to the data processing system via both line-pairs. In this way, it is then possible to transmit a plurality of measured values simultaneously, when each of the two line-pairs is embodied as part of a two-conductor current-loop.

Abstract: A medium to be measured is allowed to flow through a measuring tube of a flow meter and a magnetic field passing at least sectionally with a time-varying intensity through the medium in the measuring tube is produced in such a manner that a measurement voltage is induced at least at times, especially in a clocked manner, in the medium. The measurement voltage induced in the medium is tapped, at least at times, by means of an electrode pair formed by first and second measuring electrodes for producing an analog measurement signal corresponding with the measurement voltage, and a flow-type of the medium located in the measuring tube, as determined by an instantaneous flow profile and/or an instantaneous composition of the flowing medium, is ascertained with application of a digital signal representing the at least one measurement signal.

Abstract: In a method for transmitting data to a field device of automation technology, especially process automation technology, data are made available in a server computer unit connected with a network. Assigned in the server computer unit to individual field devices are electronic mail boxes with an electronic mailing addresses. Data necessary for an update are transmitted as electronic mail from the server computer unit to the individual field devices.

Abstract: An electric current controller for field-device electronics controls and/or modulates the supply current. The supply current is driven by a supply voltage provided by an external energy supply. The field-device electronics has an internal operating and evaluating circuit for controlling the field device, as well as an internal supply circuit, the internal input voltage being derived from the supply voltage for feeding the internal operating and evaluating circuit. In the supply circuit is a voltage controller flowed-through, at least at times, by a first component of the supply current. The voltage controller provides in the field-device electronics a first internal, useful voltage controlled to be essentially constant at a predetermined, first voltage level. Moreover, the supply circuit has a second voltage controller flowed through, at least at times, by a second current component of the supply current. The second voltage controller provides in the field-device electronics a second internal.

Abstract: The measuring device includes a flow measuring transducer, through which a medium to be measured flows during operation. For monitoring an installed position of the flow transducer, the method of the invention provides, on the basis of application of a suitable tilt sensor, for ascertaining an instantaneous inclination of the measuring transducer corresponding to a tilt of at least one principal axis of inertia of the measuring transducer relative to at least one reference axis.

Abstract: An apparatus for securing a measuring or display unit on an object. Included is elongated guide element, on which an orientation aid and a holder for the measuring unit or for the display unit are arranged shiftably in the longitudinal direction of the guide element, wherein the orientation aid and the holder are so positionable relative to one another, that the object is held clamped between the orientation aid and the holder or a mounted sensor, and wherein a resilient tensioning apparatus is provided, with which the measuring or display unit is pressable with a defined clamping force onto the object.

Abstract: A pipeline or measuring tube having at least one insulating layer, at least in certain regions, and comprising, manufactured in a primary shaping method, a tubular element, which has an otherwise closed structure and which has at least one region with an open-pored, cellular structure, wherein the material of the insulating layer, in the applying of the insulating layer, can penetrate into the pores of the open-pored, cellular structure of the tubular element and the insulating layer has on the side to be insulated a closed, homogeneous structure.

Abstract: A for determining and/or monitoring aggregate state changes on a thermal, flow measuring device of at least a first part of a measured medium, wherein, by means of the temperature of the medium being measured, by means of the chemical composition of the medium being measured and by means of the partial pressure of the at least first part of the medium being measured and/or by means of the total pressure of the medium being measured, at least one phase boundary line of the at least first part of the medium being measured is ascertained At least a first measurement signal is provided from a temperature difference between a first temperature sensor and a second temperature sensor of the thermal, flow measuring device and/or from a heating power supplied the medium being measured, wherein, in the case of a state of the at least first part of the medium being measured in the region of the phase boundary line of the first part of the medium being measured, disturbances of predetermined type in the measurement signa

Abstract: The invention relates to an apparatus for determining and/or monitoring mass flow of a fluid medium (3) through a pipeline (2), or through a measuring tube. The apparatus includes two temperature sensors (11, 12) and a control/evaluation unit (10). The two temperature sensors (11, 12) are arranged in a region of a housing (5) facing the medium (3) and in thermal contact with the medium (3) flowing through the pipeline (2), or through the measuring tube. A first of the temperature sensors (11) is heatably embodied. A second of the temperature sensors (12) provides information concerning the present temperature of the medium (3). The control/evaluation unit (10), on the basis of primary measured variables, such as temperature difference (?T=T2?T1) between the two temperature sensors (11, 12) and/or heating power (P) fed to the first temperature sensor (11), ascertains the mass flow of the medium (3) through the pipeline (2).

Abstract: A fieldbus unit for connection of a field device to a fieldbus comprising two conductors is designed to transfer a signal via the fieldbus by modulation of an electrical current drawn by the field device. The fieldbus unit comprises: an electrical current control transistor, through which the electrical current drawn by the field device flows, wherein the electrical current drawn by the field device is controlled via a base current of the electrical current control transistor; a bipolar transistor, via whose emitter-collector, electrical current path the base current for driving the electrical current control transistor flows; as well as an electrical current controller, which produces an electrical current control signal for controlling the electrical current drawn by the field device.

Abstract: A method for system- and/or process-monitoring in the case of an ultrasound flow measuring device having a plurality of measuring channels, wherein a medium flows though a pipeline or measuring tube in the direction of a longitudinal axis of the pipeline or measuring tube. Ultrasonic measuring signals are coupled into the pipeline or measuring tube and coupled out of the pipeline or measuring tube in such a way that they travel through the medium along different sound paths. Following passage through the pipeline or measuring tube, the ultrasonic measuring signals are detected in the individual measuring channels, wherein at least one actual quantity describing the ultrasonic measuring signal of each measuring channel is ascertained. The actual quantity is compared with a desired quantity captured under predetermined system- or process-conditions, and a report is output in the case of a difference between the ascertained, actual quantity and the captured, desired quantity.

Abstract: The invention relates to an apparatus for determining and/or monitoring mass flow of a gaseous medium through a pipeline (2) or through a measuring tube. The apparatus includes two temperature sensors (11, 12) and a control/evaluation unit (10). The two temperature sensors (11, 12) are arranged in a housing (5) facing the medium (3) and are in thermal contact with the medium flowing through the pipeline (2) or through the measuring tube. A first temperature sensor (11) is embodied to be heatable. A second temperature sensor (12) provides information concerning current temperature of the medium (3). The control/evaluation unit (10), on the basis of a temperature difference (?T) between the two temperature sensors (11, 12) and/or on the basis of heating power (Q) supplied to the first temperature sensor (11), ascertains mass flow of the medium (3).

Abstract: A magnet assembly includes: a magnetic field delivering, especially rod-shaped, permanent magnet; a retaining assembly fixedly connected with the permanent magnet and having a retaining head facing the permanent magnet and serving for holding the permanent magnet, and a retaining bolt affixed to the retaining head; and a magnet cup having a cup floor and a cup wall extending from the cup floor. The retaining head of the retaining assembly is at least partially accommodated in a passageway provided in the cup floor, so that an outer contact surface of the retaining head and an inner contact surface of the passageway contact one another to form a force-based interlocking between magnet cup and retaining assembly. The magnet assembly is, especially, provided for application as an oscillation transducer and/or for use in a measuring transducer of vibration type.

Abstract: A method and apparatus for measuring and/or monitoring at least one flow parameter of a medium, which medium flows through a measuring tube, wherein the measuring tube is contacted by at least two transducer elements, by means of which the measuring tube is excitable to execute mechanical oscillations and by means of which mechanical oscillations of the measuring tube are receivable. Each of the at least two transducer elements is applied, offset in time, alternately, for exciting the measuring tube to execute mechanical oscillations and for receiving the mechanical oscillations of the measuring tube.

Abstract: An ultrasonic flow measuring device, which determines volume and/or mass flow of a medium in a pipeline, or in a measuring tube. The flow measuring device includes a plurality of ultrasonic sensors, which emit and/or receive ultrasonic measurement signals along defined sound paths. The control/evaluation electronics of the flow measuring device is divided into an on-site electronics, in which at least one switch is provided, via which the ultrasonic sensors, arranged in different sound paths, can be driven and/or queried, and at least one remote, control/evaluation unit, wherein the control/evaluation unit so switches the at least one switch, that the driven and/or queried, ultrasonic sensor, or the driven and/or queried pair of ultrasonic sensors, is activated and provides measured values.

Abstract: An inline measuring device, includes a measuring transducer having: at least one measuring tube vibrating, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the measuring tube; and a sensor arrangement for registering vibrations of the measuring tube and for delivering oscillation measurement signal representing oscillations of the measuring tube. Measuring device electronics electrically coupled with the measuring transducer.

Abstract: An in line measuring device, includes a measuring transducer having: a least one measuring tube vibrating, during operation, and serving for conveying, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the at least one measuring tube; a sensor arrangement for registering vibrations of the measuring tube and for delivering an oscillation measurement signal representing oscillations of the measuring tube, and a measuring device electronics electrically coupled with the measuring transducer.

Abstract: An in line measuring device, includes a measuring transducer of the vibration-type having: at least one measuring tube vibrating, at least at times, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism acting on the measuring tube for producing vibrations of the at least one measuring tube; and a sensor arrangement for registering vibrations of the at least one measuring tube and for delivering at least one oscillation measurement signal representing oscillations of the measuring tube. The in line measuring device further includes measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least at times, at least one exciter signal driving the exciter mechanism, and, at least at times, ascertains a damping value of first type, which represents a change of damping opposing the vibrations of the measuring tube within a predeterminable time interval.

Abstract: A measurement transducer includes: At least one interconnected system formed by means of at least two components, especially components of metal. At least the first component of the interconnected system is, in such case, embodied as a composite, formed part composed of at least two materials, which differ from one another with respect to at least one physical and/or chemical property, especially a material density, melting temperature, coefficient of thermal expansion and/or modulus of elasticity, etc. As a result of using at least one composite component, the at least two components of the interconnected system can be bonded together lastingly and reliably, especially by means of welding, such being true especially also for the case in which the interconnected system is a bi-, or poly-, metal, interconnected system.

Abstract: An apparatus for measuring volume- or mass-flow of a medium in a pipeline. Included is a measuring tube, through which the medium flows in the direction of the longitudinal axis of the measuring tube; a magnet system, which is embodied in such a manner, that it produces a magnetic field passing through the measuring tube essentially transversely to the longitudinal axis of the measuring tube; at least one measuring electrode coupled with the medium, which is arranged in a bore in the wall of the measuring tube in a region lying essentially perpendicular to the magnetic field.