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.

The measuring system comprises a transducer apparatus with two tubes, each having a lumen surrounded by a wall. A fluid flows through each tube, while the tube is vibrated. An electromechanical-exciter mechanism maintains mechanical oscillations of each of the tubes, and a sensor arrangement registers mechanical oscillations of at least one of the tubes. The transducer apparatus includes two temperature sensors, each being mechanically and thermally conductively coupled with a wall of a respective one of the tubes and adapted to register a measuring point temperature and to convert such into a temperature measurement signal. A measuring- and operating electronics is adapted, with application of the temperature measurement signals, to generate a transducer temperature measured value, which represents a transducer apparatus temperature, which deviates both from each of the measuring point temperatures, such that a magnitude of the transducer temperature measured value is between the measuring point temperatures.

A flowmeter (200) is provided having a flow inlet (210) and a flow outlet (210). A first conduit (208A) has an inlet leg (212A) fluidly coupled to a central conduit portion (212C), wherein the central conduit portion (212C) is further fluidly coupled to an outlet leg (212A). A second conduit (208B) has an inlet leg (212B) fluidly coupled to a central conduit portion (212C), wherein the central conduit portion (212C) is further fluidly coupled to an outlet leg (212B). The flow inlet (210) is fluidly coupled to a first end of the first conduit (208A) and a first end of the second conduit (208B), and the flow outlet (210) is fluidly coupled to a second end of the first conduit (208A) and a second end of the second conduit (208B). A manifold (206) is fluidly coupled to the inlet legs (212A, 212B) and the outlet legs (212A, 212B). A driver (214) is at least partially coupled to the manifold, wherein the driver (214) is operable to vibrate the first and second conduits (208A, 208B).

Vibratory meters (5), and methods for their use measuring a fluid are provided. Each vibratory meter includes a multichannel flow tube (300) comprising two or more fluid channels (302), a pickoff (170), a driver (180), and meter electronics (20) configured to apply a drive signal to the driver at a drive frequency , and measure a deflection of the multichannel flow tube with the pickoff. In examples, at least one fluid channel has an effective diameter that is related to kinematic viscosity, inverse Stokes number, and drive frequency. In further examples, the driver may apply a drive signal to the driver having a drive frequency proportional to the kinematic viscosity, inverse Stokes number, and effective diameter.

A Coriolis mass flow measuring device and/or density measuring device, comprising: at least two measuring tubes which extend mirror symmetrically to a first mirror plane; at least one exciter mechanism and at least one sensor arrangement for exciting and registering measuring tube oscillations; two terminally located collectors for joining the measuring tubes; a support body for connecting the collectors; and a number of plate-shaped couplers for pairwise connecting of the measuring tubes for forming an oscillator. The measuring tube centerlines of the measuring tubes have two oppositely bent sections and an intermediately lying straight section. The second bent section is arranged on the side of the straight section away from the second mirror plane. The projection of the measuring tube centerline between the intersection with the second mirror plane and the transition between the straight section and the second bent section onto the second mirror plane is not less than the separation between the second mirror plane and the measuring tube centerline at the transition between the straight section and the second bent section, wherein the first bent section has stiffening element, which annularly grip around the measuring tube.

A fluid line system comprises fluid lines (100, 200, 300, 400). Each of the two fluid lines (100, 400) has in each case one lumen (100*; 400*) which is enclosed by a wall, and extends from a flow opening (100a; 400a), located in a respective first line end (100+; 400+), of the respective fluid line both to a flow opening (100b; 400b) which is located in a line end (100#; 400#) of said fluid line (100; 400) and also as far as a flow opening (100c; 400c) which, spaced apart from said flow opening (100b; 400b), is likewise located in each case in the line end (100#; 400#) of said fluid line (100; 400). Each of the other two fluid lines (200, 300) in turn has a lumen (200*; 300*) which is enclosed by a wall and extends from a flow opening (200a; 300a) which is located in a line end (200+; 300+) of the respective fluid line (200; 300) as far as a flow opening (200b; 300b) which is located in a line end (200#; 300#) of said fluid line (200; 300), in such a way that a greatest flow section (A.sub.200,Max; A.sub.300,Max) of the respective fluid line (200; 300) is spaced apart both from its line end (200+; 300+) and from its line end (200#; 300#). Both the fluid line (200) and the fluid line (300) are connected by way of their line end (200+; 300+) in each case to the line end (100#) of the fluid line (100) and by way of their line end (200#; 300#) in each case to the line end (400#) of the fluid line (400). The flow openings (200a; 200b; 300a; 300b) form in each case one inlet-side and outlet-side flow cross section (A.sub.200a, A.sub.200b; A.sub.300a; A.sub.300b) of the respective fluid line (200; 300). In addition, the fluid lines (100, 200, 300, 400) are configured in such a way that an outlet-side flow cross section (A.sub.100,min; A.sub.100,min) of the fluid line (100; 400) which is located at the line end (100#; 400#) of the fluid line (100; 400) and adjoins both the flow opening (100b; 400b) and the flow opening (100c; 400c) of said fluid line (100; 400) and flow cross sections (A.sub.200a; A.sub.200b; A.sub.300a; A.sub.300b) overall fulfil the conditions: (I) and (II), and (III) and (IV).

A flow sensor includes a flow tube in a form of a tube and a support cast around the flow tube. The support clamps the flow tube and the flow tube extends through the support. The flow sensor is formed by placing the flow tube in a tube cavity of a casting mold and pouring or injecting a liquid resin into a support cavity of the casting mold. The support is formed around the flow tube from solidifying the liquid resin in the support cavity of the casting mold. A temperature of the casting mold during formation of the support does not exceed a threshold temperature to avoid deformation of the flow tube. The flow sensor can also include at least one memory chip that stores calibration information associated with the flow sensor and connectors that allows a controller to read the calibration information from the memory chip.

A flowmeter (5) is provided. The flowmeter (5) has a wetted assembly (200) comprising one or more conduits (208, 208), and at least one driver magnet (218, 218) attached to the one or more conduits (208, 208). A dry assembly (202) houses a driver coil (224), and meter electronics (20) are in electrical communication with the driver coil (224). A case (236) at least partially covers the wetted assembly (200) and the dry assembly (202). The dry assembly (202) is removably attachable to the wetted assembly (200). The driver coil (224) is in magnetic communication with the at least one driver magnet (218, 218) when the dry assembly (202) is attached to the wetted assembly (200), and the driver coil (224) is configured to provide a vibratory signal to the at least one driver magnet (218, 218) when the dry assembly (202) is attached to the wetted assembly (200).

A vibratory meter (5), and methods of manufacturing the same are provided. The vibratory meter includes a pickoff (170l), a driver (180), and a flow tube (400) comprising a tube perimeter wall with: a first substantially planar section (406a), a second substantially planar section (406b) coupled to the first substantially planar section to form a first angle .sub.1 (404), and a first curved section (406c).