Abstract: A method for determining the viscosity of a medium with a Coriolis mass flowmeter having at last two measuring tubes through which a medium can flow, comprising: exciting the measuring tubes; and determining at least the viscosity of the medium by evaluation of measured values obtained from the measuring device. The measuring values comprise the amplitude of torsional oscillation reached, wherein the amplitude of torsional oscillation reached is evaluated for determining the viscosity of the medium at a set excitation intensity of the measuring device and using the damping coefficient of the medium.

Abstract: The measuring system has a measuring transducer which produces primary signals transmitter electronics for activating the measuring transducer and for evaluating primary signals. The measuring transducer includes at least one measuring tube; at least one electro-mechanical, oscillation exciter, a first oscillation sensor. The transmitter electronics, in turn, delivers at least one driver signal for the oscillation exciter for effecting vibrations of the at least one measuring tube and generates, by means of the first primary signal and by means of the second primary signal, as well as with application of a Reynolds number, measured value representing a Reynolds number, Re, for medium flowing in the measuring transducer, a pressure difference, measured value, which represents a pressure difference occurring between two predetermined reference points in the flowing medium.

Abstract: A measuring transducer comprises a transducer housing, of which an inlet-side housing end is formed by means of an inlet-side flow divider having eight, mutually spaced flow openings and an outlet-side housing end is formed by means of an outlet-side flow divider having eight, mutually spaced flow openings as well as a tube arrangement with eight bent measuring tubes for the conveying flowing medium, which, forming flow paths connected for parallel flow, are connected to the flow dividers, wherein each of the eight measuring tubes in each case opens with an inlet-side measuring tube end into one of the flow openings of the flow divider, and in each case opens with an outlet-side measuring tube end into one of the flow openings of the flow divider. An electro-mechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the measuring tubes.

Abstract: A measuring transducer comprises a housing, and a tube arrangement formed by means of at least two tubes extending within the housing. At least one tube is embodied as a measuring tube serving for conveying flowing medium and another tube is mechanically connected with the tube by means of a coupling element to form an inlet-side coupling zone and by means of a coupling element. The coupling element is arranged equally far removed from the housing end. One coupling element has, about an imaginary longitudinal axis of the tube arrangement imaginarily connecting a center of mass of the coupling element and a center of mass of the other coupling element, with an angle of intersection equal to that with the other coupling element, a bending stiffness, which deviates from a bending stiffness of the other coupling element about said imaginary longitudinal axis of the tube arrangement.

Abstract: The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes: At least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube; as well as at least a first oscillation sensor for registering vibrations at least of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube.

Abstract: The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes: At least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube; and a first oscillation sensor for registering vibrations of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube.

Abstract: A measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. The measuring transducer comprises: a transducer housing; four, straight, measuring tubes connected to flow dividers for guiding flowing medium along flow paths. Each of the four measuring tubes opens with an inlet-side, measuring tube end into one the flow openings of an inlet-side, flow divider and with an outlet-side, measuring tube end into one of the flow openings. An electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The exciter mechanism is embodied in such a manner, that, the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation.

Abstract: A measuring transducer has a transducer housing, has a transducer housing, having a housing end is formed by means of, a flow divider having exactly four flow openings and an outlet-side, housing end is formed by means of, a flow divider having exactly four flow openings, and four straight, measuring tubes connected to the flow dividers. Each measuring tube opens into one of the flow openings and with an outlet-side, measuring tube end into one of the flow openings of the outlet-side, flow divider. Also included is an electromechanical exciter mechanism embodied, so that the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation (XZ1, XZ2).

Abstract: A measuring transducer comprises: a transducer housing, an inlet-side, flow divider having exactly four spaced flow openings and an outlet-side, housing end by means of an outlet-side, flow divider having exactly four spaced flow openings; as well as exactly four, straight, measuring tubes connected to the flow dividers. Each of the four measuring tubes opens with an inlet-side, measuring tube end into one the flow openings and with an outlet-side, measuring tube end into one the flow openings of the outlet-side, flow divider. Additionally, the measuring transducer includes an electromechanical exciter mechanism, wherein the exciter mechanism is embodied in such a manner, that, therewith, the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation.

Abstract: A measuring system comprises: a measuring transducer, through which medium flows and which produces oscillatory signals dependent on medium viscosity and/or a Reynolds number of the flowing medium; and transmitter electronics for driving the measuring transducer and for evaluating oscillatory signals. The measuring transducer includes: four, mutually spaced, flow openings; an outlet-side flow divider with four, mutually spaced, flow openings; four, mutually parallel, straight, measuring tubes for conveying flowing medium, connected to the flow dividers electromechanical exciter mechanism.

Abstract: A measuring transducer includes: a transducer housing with an inlet-side flow divider having exactly four flow openings and an outlet-side flow divider having exactly four flow openings; as well as exactly four, straight, measuring tubes connected to the flow dividers. Each of the four measuring tubes opens into one the flow openings of the inlet-side flow divider and into one the flow openings of the outlet-side flow divide. Additionally, the measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the measuring tubes such that the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in a shared imaginary plane of oscillation.

Abstract: A measuring transducer comprising: a transducer housing, of which an inlet-side, housing end is formed by means of an inlet-side, flow divider having exactly four flow openings spaced, in each case, from one another and an outlet-side, housing end is formed by means of an outlet-side, flow divider having exactly four flow openings spaced, in each case, from one another; as well as exactly four, straight, measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. The measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation.

Abstract: The measuring system comprises: a measuring transducer, through which medium flows during operation and which serves for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; transmitter electronics for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: an inlet-side flow divider; an outlet-side flow divider; at least two, mutually parallel, straight, measuring tubes, connected to the flow dividers; as well as an electromechanical exciter mechanism for exciting and maintaining mechanical oscillations of the at least two measuring tubes. Each of the at least two measuring tubes opens with an inlet-side measuring tube end into a flow opening and with an outlet-side.

Abstract: A measuring transducer comprises a transducer housing, of which an inlet-side housing end is formed by means of an inlet-side flow divider having eight, mutually spaced flow openings and an outlet-side housing end is formed by means of an outlet-side flow divider having eight, mutually spaced flow openings as well as a tube arrangement with eight bent measuring tubes for the conveying flowing medium, which, forming flow paths connected for parallel flow, are connected to the flow dividers, wherein each of the eight measuring tubes in each case opens with an inlet-side measuring tube end into one of the flow openings of the flow divider, and in each case opens with an outlet-side measuring tube end into one of the flow openings of the flow divider. An electro-mechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the measuring tubes.

Abstract: A measuring transducer comprises a housing, and a tube arrangement formed by means of at least two tubes extending within the housing. At least one tube is embodied as a measuring tube serving for conveying flowing medium and another tube is mechanically connected with the tube by means of a coupling element to form an inlet-side coupling zone and by means of a coupling element. The coupling element is arranged equally far removed from the housing end. One coupling element has, about an imaginary longitudinal axis of the tube arrangement imaginarily connecting a center of mass of the coupling element and a center of mass of the other coupling element, with an angle of intersection equal to that with the other coupling element, a bending stiffness, which deviates from a bending stiffness of the other coupling element about said imaginary longitudinal axis of the tube arrangement.

Abstract: A measuring transducer comprises a measuring tube vibrating at least at times during operation, having a wall thickness (s) and at least one oscillation sensor, especially an electrodynamic oscillation sensor, for producing at least one primary signal of the measuring transducer representing vibrations of the measuring tube. In the measuring transducer at least one securement element, especially a metal securement element, fixedly encircling the measuring tube essentially along a circumferential line thereof and having a total width (B), for holding a component of the oscillation sensor, especially a magnet coil or a permanent magnet, on the measuring tube is provided. The securement element has an essentially rectangular outer perimeter with a projection protruding out therefrom by a height (h) and serving for holding the component of the oscillation sensor. The projection has a width (e), which is smaller than the total width (B) of the securement element.

Abstract: A measuring transducer includes: a transducer housing with an inlet-side flow divider having exactly four flow openings and an outlet-side flow divider having exactly four flow openings; as well as exactly four, straight, measuring tubes connected to the flow dividers. Each of the four measuring tubes opens into one the flow openings of the inlet-side flow divider and into one the flow openings of the outlet-side flow divide. Additionally, the measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the measuring tubes such that the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in a shared imaginary plane of oscillation.

Abstract: A measuring transducer of vibration type for registering, on the basis of the Coriolis principle, at least one measured variable of a medium flowing through a pipeline. The measuring transducer includes: a measuring tube, which is connectable with the pipeline via an inlet and an outlet, wherein the measuring tube includes a first measuring tube arc and a second measuring tube arc; an oscillation exciter for exciting oscillations of the measuring tube arcs; at least one oscillation sensor for registering resulting oscillations of the measuring tube arcs; and a transducer housing surrounding the measuring tube arcs. The measuring tube arcs are elastically coupled to the transducer housing. In this way, a robust and reliable measuring operation is guaranteed, which is little influenced by oscillatory in-couplings.

Abstract: The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters, especially a mass flow rate, a density and/or a viscosity, of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer.

Abstract: The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes: At least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube; and a first oscillation sensor for registering vibrations of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube.