The present disclosure relates to a magnetically inductive flowmeter for determining flow velocity and/or volume flow of a medium, the flowmeter including a measuring tube for conveying the medium, a magnetic field producing means and at least one electrode assembly, which is installed in the measuring tube in such a manner 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, wherein a pressure measuring transducer is coupled with the electrode body, and wherein the pressure measuring transducer is contactable with the pressure acting on the front end surface.

The present invention relates to a an electromagnetic flowmeter for measuring flow of fluid flowing in a conduit of the electromagnetic flowmeter, wherein the electromagnetic flowmeter comprises: a coil attached to the conduit and excited by an excitation unit to generate an electromagnetic field to interact with the fluid flowing in the conduit, a shield magnetically coupled with the coil, a pair of electrodes mounted on the conduit for measuring potential difference generated by the interaction of the electromagnetic field in the fluid; and wherein the at least one coil and the at least one shield is provided with an arrangement to displace the at least one of the at least one coil and the at least one shield to adjust the interaction of the electromagnetic field with the fluid.

A flow tube liner for a flow tube assembly of a magnetic flowmeter includes a cylindrical wall. The cylindrical wall includes an electrically insulative interior layer and a metallic exterior layer. The exterior layer is bonded to an exterior surface of the interior layer.

A magnetic flowmeter includes a flow tube assembly and a programmable bi-directional current generator. The flow tube assembly receives the fluid flow and includes a coil and an electromotive force (EMF) sensor. The coil is configured to produce a magnetic field across the fluid flow in response to a coil current. The EMF sensor is arranged to sense an EMF across the fluid flow that is proportional to the flow rate, and generate an output indicating the induced EMF. The current generator includes a profile generator that issues profile commands, a power amplifier and a controller. The controller is configured to control the power amplifier to generate coil current pulses forming the coil current that travel through the coil in alternating directions. Each coil current pulse has a current profile that is based on a corresponding profile command.

A magnetic flowmeter for measuring a fluid flow includes flow tube assembly receiving the flow having a coil with first and second coil wires for receiving a coil current to produce a magnetic field in the fluid. This generates an EMF in the fluid representative of the flow. An EMF sensor is arranged to sense the EMF and generate an output related to the flow rate. Current supply circuitry provides the coil current to the first and second wires of the coil in response to a command signal. A digital control circuit provides the command signal to the current supply circuitry as a function of a control algorithm. In one aspect, the control algorithm is adapted to changes in electrical parameters of the coil. A method of implementing the magnetic flowmeter is also provided.

The present invention relates to a method of configuring an electromagnetic flowmeter and an electromagnetic flowmeter thereof. The method comprises: obtaining a first correlation factor between flow rate of fluid and potential for a calibrated condition of the electromagnetic flowmeter using a model; obtaining a second correlation factor between flow rate of fluid and potential for conditions of a site in which the electromagnetic flowmeter is installed using the model; comparing the first correlation factor and the second correlation factor to determine a difference in value and adopting the value of the second correlation factor for configuring the electromagnetic flowmeter if the difference in value exceeds a pre-set threshold.

A magnetic circuit device (1) for a magnetic-inductive flowmeter, having a coil (2) that has a coil core (3). The magnetic circuit device (1) enables an increased range of application, in that it can be flexibly adapted to the geometries of the respective magnetic flow meter due to the fact that the coil core (3) is designed to be flexible in such a way that the coil (2) can be bent from a first shape into a second shape. In addition, a method (100) for manufacturing such a magnetic circuit device (1) involves the steps of provisioning, winding, heating, connecting, bending and fixing of the coil.

Multiphase flowmeter aperture antenna transmission and pressure retention are disclosed herein. An example apparatus includes at least one radiating element to transmit or receive an electromagnetic signal along a measurement plane orthogonal to a direction of flow of the fluid in the vessel; a pressure retaining member to prevent fluid from entering the aperture antenna assembly through a measurement window of the aperture antenna assembly, at least a portion of the pressure retaining member to separate the radiating element and the fluid; and a metal housing with or without slits, the pressure retaining member to be at least partially within the metal housing, the radiating element to be coupled to the metal housing.

An electromagnetic flowmeter assembly is provided. The assembly includes a magnetic flowmeter configured to couple to a process pipe at a coupling point and measure a flowrate of a flow of process fluid. The assembly includes a conductive polymer reference connection configured to contact the process fluid and provide an electrical connection to magnetic flowmeter electronics.

A magnetic flowmeter assembly is provided having a tubular body, having opposing open ends and defining a fluid flow path therebetween along a longitudinal axis (Ax). A pair of coil assemblies is coupled to the tubular body in an intermediate region thereof supported by an adjustable brace. A pair of measuring electrodes is attached to the tubular body in electrical communication with the fluid with the flow path and aligned along an axis (Ay) orthogonal to the longitudinal axis (Ax) and orthogonal to the axis (Az). Auxiliary electrodes are disposed upstream and downstream of the pair of measuring electrodes.