Abstract: A vibratory meter (5) is provided, having a driver (104) and a vibratory member (103, 103?) vibratable by the driver (104). At least one pickoff sensor (105, 105?) is configured to detect vibrations of the vibratory member (103, 103?). Meter electronics (20) comprise an interface (301) configured to receive a vibrational response from the at least one pickoff sensor (105, 10540 ), and a processing system (303) coupled to the interface (301). The processing system (303) is configured to measure a drive gain (306) of the driver (104), and measure a total density (325) of a multiphase process fluid in the vibratory meter (5), and determine whether the drive gain (306) is below a first threshold. A liquid/liquid phase concentration allocation is determined with the measured total density (325) if the drive gain (306) is below the first threshold, and a flow rate for each liquid phase is calculated.

Abstract: A variable mass balance bar (120-320, 520-820) is provided. The variable mass balance bar (120-320, 520-820) comprises a balance body (122-322b, 522-822) containing a balance fluid (124-324b, 524-824), wherein a mass of the balance fluid (124-324b, 524-824) is selected to balance a measuring conduit (110-310, 510-810) containing a process material.

Abstract: A method of determining vapor pressure of a fluid is provided. The method comprises the step of providing a meter having meter electronics, wherein the meter comprises at least one of a flowmeter and a densitometer. A process fluid is flowed through the meter. A low-pressure location associated with the meter is provided. The pressure of the process fluid is adjusted until flashing is detectable at the low-pressure location. The true vapor pressure of the process fluid is calculated at an instant where flashing is detected.

Abstract: A composite flow tube liner includes a cylindrical substrate and an interior layer. The cylindrical substrate includes a plurality of perforations and is configured for installation within a flow tube assembly of a magnetic flowmeter. The interior layer includes a fluoroelastomer and covers an interior surface of the substrate. The interior layer extends into the perforations of the cylindrical substrate, which secures the fluoroelastomer to the cylindrical substrate.

Abstract: A method for detecting a deviation in a flow meter parameter is provided. The method includes measuring a differential pressure across at least a portion of the flow meter, calculating a friction factor based on a measured flow rate and the measured differential pressure. The method also includes comparing the calculated friction factor to an expected friction factor based on the measured flow rate and detecting a deviation in the flow meter parameter if the difference between the calculated friction factor and the expected friction factor exceeds a threshold limit.

Abstract: A method for determining a process anomaly in a fluid flow system, the system having a meter with immersed elements immersed in a fluid of a fluid flow is disclosed.

Abstract: 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.

Abstract: 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.

Abstract: A vibratory meter (5) for determining a vapor pressure of a fluid is provided. The vibratory meter (5) includes a meter assembly (10) having a fluid, and a meter electronics (20) communicatively coupled to the meter assembly (10). The vibratory meter (5) is configured to determine a vapor pressure of the fluid in the meter assembly (10) based on a static pressure of the fluid in the meter assembly (10).

Abstract: A system (700) for using a vapor pressure to determine a concentration of a component in a multi-component fluid is provided. The system (700) includes an electronics (710) communicatively coupled to a transducer (720) configured to sense a multi-component fluid. The electronics (710) is configured to determine a first vapor pressure, the first vapor pressure being a vapor pressure of a first component of the multi-component fluid, determine a second vapor pressure, the second vapor pressure being a vapor pressure of a second component of the multi-component fluid, and determine a multi-component vapor pressure, the multi-component vapor pressure being a vapor pressure of the multi-component fluid. The electronics (710) is also configured to determine a concentration of at least one of the first component and the second component based on the multi-component vapor pressure, the first vapor pressure, and the second vapor pressure.

Abstract: A magnetic flowmeter for measuring a fluid flow includes a flow tube assembly receiving the flow and having a coil with first and second coil wires for receiving a coil current and responsively producing a magnetic field thereby generating an EMF in the fluid representative of a flow rate. An EMF sensor is arranged to sense the EMF and generate an output indicating the flow rate. Current supply circuitry applies a current supply signal to the coil. A load leveling boost supply provides power to the current supply circuitry. In another aspect, power scavenging circuitry recovers power from the coil.

Abstract: A meter electronics (20) for determining a vapor pressure using a vapor pressure meter factor is provided. The meter electronics (20) comprises a processing system (200) communicatively coupled to a meter assembly (10). The processing system (200) is configured to provide a drive signal to the meter assembly (10) having a fluid, measure a drive gain of the drive signal provided to the meter assembly (10), and determine the vapor pressure of the fluid based on a previously determined relationship between the drive gain and a reference gas-liquid ratio.

Abstract: A meter electronics (20) for using a density measurement of a fluid to verify a vapor pressure is provided. The meter electronics (20) includes a processing system (200) communicatively coupled to a meter assembly (10) having the fluid, the processing system (200) is configured to determine a vapor pressure of the fluid by detecting a phase change of the fluid in the meter assembly (10), measure a density of the fluid based on a resonant frequency of the meter assembly (10), derive a vapor pressure from the measured density, and compare the determined vapor pressure with the derived vapor pressure.

Abstract: A vibrating meter comprises a vibrating element with a longitudinal direction and a cross-sectional area in a plane perpendicular to the longitudinal direction. The vibrating element moves between a first position and a second position in a plane perpendicular to the longitudinal direction of the vibrating element. An electronics is operable to drive the vibrating element between the first position and the second position. A boundary element and the vibrating element define a fluid velocity boosting gap having an average gap distance between the boundary element and the vibrating element. The vibrating element includes a gap-facing perimeter section facing the fluid velocity boosting gap having a gap perimeter length. In embodiments, a ratio of the gap perimeter length to the average gap distance is at least 160. In further embodiments, the average gap distance is 0.25 mm or less.

Abstract: A vibratory meter (5), and methods of manufacturing the same are provided. The vibratory meter includes a pickoff, a driver, and a flow tube (700) comprising a tube perimeter wall with: a first substantially planar section (706a), a second substantially planar section (706b) coupled to the first substantially planar section to form a first angle ?1 (704), a third substantially planar section (706c), a fourth substantially planar section (706d), and a fifth substantially planar section (706e).

Abstract: A method of converting a directly measured mass flow rate to account for buoyancy is provided. The method includes directly measuring a mass flow rate of a material, measuring a density of the material, and using the measured density of the material to convert the directly measured mass flow rate into a mass value including a buoyancy of a fluid.

Abstract: A method for operating a flowmeter is provided. The method includes the steps of measuring a fluid flow in the flowmeter, determining at least one fluid characteristic, determining a preferred algorithm of a plurality of algorithms based upon the fluid flow and the at least one fluid characteristic, and applying the preferred algorithm to an operating routine.

Abstract: A planar vibratory member (300, 400) is provided, being operable for use in a vibrating densitometer (500). The planar vibratory member (300, 400) comprises a body (302) and a vibratable portion (304) emanating from the body (302), wherein the vibratable portion (304) comprises a plurality of vibratable projections, and wherein the plurality of vibratable projections are cantilevered. The vibratable portion is operable to be vibrated by a driver (504).

Abstract: A method of communicating with two or more hosts is provided. The method includes transmitting a first communication between a first host and a meter electronics and transmitting a second communication between a second host and the meter electronics.

Abstract: A viscometer (700) is provided, for determining a viscosity of a gas therein. The viscometer (700) comprises a driver (704) and a planar vibratory member (500, 600) vibratable by the driver (704), that comprises a body (502) and a vibratable portion (504) emanating from the body (502), wherein the vibratable portion (504) comprises a plurality of vibratable cantilevered projections. At least one pickoff sensor (706) is configured to detect vibrations of the vibratory member (500, 600). Meter electronics (900) comprise an interface (901) configured to send an excitation signal to the driver (704) and to receive a vibrational response from the at least one pickoff sensor (706), measure a Q and resonant frequency of the planar vibratory member (500, 600), and to determine a viscosity (923) of the gas therein using the measured Q and the measured resonant frequency.