The invention relates to a Coriolis measuring transducer (10), comprising:

at least one measuring tube;

at least one exciter mechanism (12.1);

at least two sensor groups of sensor arrangements with, in each case, at least one sensor arrangement,

wherein the at least one measuring tube is at least sectionally bent,

wherein the measuring tube is clamped in the regions of the inlet and the outlet by, in each case, a securement apparatus,

wherein the measuring tube has an inner side (IS) facing a longitudinal axis as well as an outer side (OS) facing away from the longitudinal axis,

wherein the exciter mechanism is arranged in a midlength region of the measuring tube, wherein a first sensor group is arranged in an inlet side intermediate region of the measuring tube, and wherein a second sensor group is arranged in an outlet side intermediate region of the measuring tube,

wherein at least one sensor group (13) is a supplemented sensor group (13.1) and includes at least two sensor arrangements (13.2).

A measuring transducer includes a tube arrangement having a bent tube, an equally embodied tube, a bent tube and a tube embodied equally to the tube, and two flow dividers each having four flow openings. The measuring transducer includes an exciter for exciting and maintaining mechanical oscillations of the tube arrangement and a sensor for registering mechanical oscillations of the tube arrangement and for producing oscillation measuring signals. Each tube is connected to each flow divider to form four parallel flow paths, having a straight segment connected with the flow divider, an arc shaped segment following such straight segment, a straight segment following such arc shaped segment, an arc shaped segment following such straight segment, a straight segment following such arc shaped segment, an arc shaped segment following such straight segment, and a straight segment following such arc shaped segment and is connected with the flow divider.

A method for correcting a measured value of a measured variable with reference to a medium flowing through at least two measuring tubes, wherein each measuring tube is excited by an oscillation exciter to execute oscillations, and wherein the oscillations of each measuring tube are registered by oscillation sensors, wherein an electronic circuit monitors at least two of the following measured variables or, in each case, a measured variable derived therefrom: phase difference between measurement signals, resonant frequency, ratio of an oscillation exciter electrical current amplitude to a measuring tube oscillation amplitude, the method including: determining a plausibility; and, wherein upon failing a plausibility requirement of at least one of the measured variables, determining measured values of the measured variables of at least one, first/second measuring tube as a function of corresponding measured values of the measured variables of at least one, second/first measurement tube.

A mass flow controller assembly includes a housing defining a cavity, a plurality of internal passages, a first inlet, a first outlet, a second inlet, and a second outlet. A valve is connected to the housing, has an inlet fluidly coupled to the second outlet of the housing and an outlet fluidly coupled to the second inlet of the housing. The valve is configured to control fluid flow from the second outlet of the housing to the second inlet of the housing. A microelectromechanical (MEMS) Coriolis flow sensor is arranged in the cavity, includes an inlet fluidly coupled by at least one of the plurality of internal passages to the first inlet of the housing and is configured to measure at least one of a mass flow rate and density of fluid flowing through the MEMS Coriolis flow sensor. An outlet of the MEMS Coriolis flow sensor is fluidly coupled by at least one of the plurality of internal passages to the second outlet of the housing. The second inlet of the housing is fluidly coupled by at least one of the plurality of internal passages to the first outlet of the housing.

A method for determining the gas portion in the medium flowing through a Coriolis mass flowmeter, wherein the Coriolis mass flowmeter has at least one measuring tube, at least one oscillation generator, at least two oscillation sensors and at least one control and evaluation unit, wherein the method is characterized in that the density value ρ.sub.100 of the gas-free medium is determined in a ρ.sub.100 step, that the density value ρ.sub.mess of the medium flowing through the measuring tube is measured in a ρ.sub.mess step, that a quantity GVQ for the gas portion of the medium flowing through the measuring tube is calculated in a GVQ step with the density value ρ.sub.100 and the density value ρ.sub.mess, and that the quantity GVQ is output for the gas portion of the medium flowing through the measuring tube.

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.

A Coriolis flow meter, includes: a measuring tube arrangement with at least one measuring tube and a fixing body arrangement; at least one oscillation exciter and at least one oscillation sensor; a support apparatus with seat and fixing apparatus, wherein the fixing apparatus has at least one swingable fixing element, wherein the fixing apparatus is adapted to connect the measuring tube arrangement, for example, the at least one measuring tube, via the fixing body arrangement mechanically releasably with the support apparatus body, wherein the at least one fixing element is adapted in the case of connecting the measuring tube arrangement with the support apparatus body to exert a bending force on the fixing body arrangement for elastically bending the fixing body arrangement.

A coil arrangement for a flowmeter, in particular a Coriolis flowmeter or a magnetic-inductive flowmeter, having a coil, wherein the coil has a coil body and has at least one coil winding made of an electrically conductive material. The object of providing a coil arrangement that has an advantageous design in comparison to the coil arrangements known from the prior art is achieved in that the coil body is made of a ceramic material and that the coil body is produced by means of an additive manufacturing process. In addition, the invention relates to a flowmeter having a respective coil arrangement as well as a method for manufacturing such a coil arrangement.

The present disclosure relates to a modular measuring device including: a measuring tube module, wherein the measuring tube module includes a fixing body arrangement; an oscillation exciter; at least one oscillation sensor; and a support module including a seat, wherein the measuring tube module is arrangeable in the seat of the support module, wherein the support module includes a fixing apparatus, wherein the fixing apparatus includes an at least sectionally eccentrically embodied shaft, wherein the fixing apparatus, especially the shaft, is adapted to clamp the measuring tube module via the fixing body arrangement in the seat and to connect the measuring tube module mechanically releasably with the support module.

A coriolis mass flow meter, including: a housing body, having a flow inlet and flow outlet for a fluid medium, two measurement tubes, which are spaced apart from each other fastened to the housing body connecting the flow inlet and the flow outlet to each other, at least one electrically controllable vibration exciter for each measurement tube (23, 24), the vibration exciter being designed to cause the measurement tube to vibrate, and at least two electrically controllable vibration sensors, the vibration sensors being designed to sense the vibration of at least one of the two measurement tubes. The vibration exciter vibration sensors are spatially fixedly fastened to the housing body between the two measurement tubes and are designed as electromagnetic coils. Each coil interacts with a permanent magnet fastened to one of the measurement tubes. The permanent magnets are oriented in such a way that permanent magnets attract each other.