Abstract: A Coriolis flowmeter (5) is provided, the Coriolis flowmeter (5) comprising flow conduits (103A, 103B), having a driver (104), and pick-off sensors (105, 105?) connected thereto. A meter electronics (20) is configured to drive the driver (104) to oscillate the flow conduits (103A, 103B) in a first bending mode. and to receive signals from the pick-off sensors (105, 105?). The meter electronics (20) is configured to indicate a presence of an external magnetic field.

Abstract: A method of controlling a viscosity of fuel in a fuel control system with a vibratory meter is provided. The method includes providing the fuel to the vibratory meter, measuring a property of the fuel with the vibratory meter, and generating a signal based on the measured property of the fuel. The method also includes providing the signal to a temperature control unit configured to control the temperature of the fuel provided to the vibratory meter.

Abstract: A meter electronics (20) for determining a damping of a meter assembly (10) of a flow meter (5) is provided. The meter electronics (20) includes an interface (201) for receiving a vibrational response from a meter assembly (10), the vibrational response comprising a response to an excitation of the meter assembly (10) at a substantially resonant frequency, and a processing system (203) in communication with the interface (201). The processing system (203) is configured to receive the vibrational response from the interface (201) and measure a plurality of response voltages (V) of the vibrational response, the plurality of response voltages (V) including at least one of one or more decay sections (430a, 530a-530f) and one or more rising sections (430b, 630a-630f). The processing system (203) is also configured to determine an aggregate damping-related value of the meter assembly (10) based on at least one of the one or more decay sections (430a, 530a-530f) and the one or more rising sections (430b, 630a-630f).

Abstract: A housing (2) is provided, comprising a body (201) further comprising a metal. A cover (200) coupleable to the body (201) is provided, and an antenna slot (202) is formed in the housing (2), wherein the antenna slot (202) is filled with a compound (210). A method of forming a housing (2) is provided, comprising forming the housing (2) from a metal and forming an antenna slot (202) therein. The housing (2) is etched, and a compound (210) is inserted into the antenna slot (202). Meter electronics (20) are housed inside the housing (2), and a wireless data signal transmitted through the compound (210) to communicate with meter electronics (20).

Abstract: A Coriolis flow meter (100) comprises a driver (180) coupled to a flow tube (800,900), the driver (180) configured to oscillate the flow tube in a drive direction, a pick-off sensor (170L, 170R) coupled to the flow tube (800,900), configured to measure a movement of the flow tube (800,900), and the flow tube (800,900) comprises a conduit (852) having an interior surface (854), and a plurality of inserts (856a, 856b, 856c, 856d, 956a, 956b), each respective insert of the plurality of inserts (856a, 856b, 856c, 856d, 956a, 956b) being coupled to at least a first position (858) on the interior surface (854) of the conduit (852).

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 meter electronics (20) configured to notify of an event and apportion process data is provided. The meter electronics (20) comprises a memory (230) configured to continuously store the process data (410) for a duration (412), a processor (210) communicatively coupled to the memory (230). The processor (210) is configured to detect one or more events (430) in the process data (410) and at least one of generate a notification (460) and apportion the process data (410) based on the detected one or more events (430).

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 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.

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 method and apparatus for operating a flowmeter (5) is provided. A process fluid is placed in the flowmeter (5). A temperature of the fluid is measured. A density of the fluid is measured. A velocity of sound (VoS) of the fluid is calculated. A mass flow rate error is calculated, and a corrected mass flow rate of the fluid is calculated.

Abstract: A vibratory meter (5) configured to detect a measurement bias of a reference zero-flow value is provided. The vibratory meter (5) comprises a sensor assembly (10) and a meter electronics (20) communicatively coupled to the sensor assembly (10). The meter electronics (20) is configured to measure a plurality of zero-flow values of the sensor assembly (10) and compare the plurality of zero-flow values to a reference zero-flow value to determine a bias indicator of the reference zero-flow value.

Abstract: A flowmeter (200) is provided. A first conduit (208A) having an inlet leg (212A) is fluidly coupled to a central conduit portion (212C) being fluidly coupled to an outlet leg (212?A). A second conduit (208B) having an inlet leg (212B) is fluidly coupled to a central conduit portion (212?C) fluidly coupled to an outlet leg (212?B). The flow inlet (210) is fluidly coupled to first ends of the first and second conduit (208A, 208B), and the flow outlet (210?) is fluidly coupled to second ends of the first and second conduits (208A, 208B). The inlet legs (212A, 212B) and the outlet legs (212?A, 212?B) comprise central conduit portions (212C, 212?C) disposed therebetween on the respective first and second conduits (208A and 208B). A manifold (206) is fluidly coupled to the inlet legs (212A, 212B) via a first fluid passage defined by the manifold, and the manifold (206) is fluidly coupled to the outlet legs (212?A, 212?B) via a second fluid passage defined by the manifold (206).

Abstract: A meter electronics (20) for selecting a zero-verification criteria for performing a zero verification of a vibratory meter (5) is provided. The meter electronics (20) comprises an interface (401) communicatively coupled to a sensor assembly (10) containing a fluid and a processing system (402) communicatively coupled to the interface (401). The processing system (402) is configured to determine a property of a fluid and select, based on the property of the fluid, the zero-verification criteria value for the sensor assembly (10).

Abstract: A meter electronics (20) for determining a zero-verification criteria for a zero-verification of a vibratory meter (5) is provided. The meter electronics (20) comprises an interface (401) communicatively coupled to a sensor assembly (10) containing a fluid and a processing system (402) communicatively coupled to the interface (401). The processing system (402) is configured to determine a property of the fluid and determine, based on the property of the fluid, a zero-verification criteria value for the sensor assembly (10).

Abstract: A vibratory flowmeter (5) for meter verification is provided, including meter electronics (20) coupled to the first and second pickoff sensors (170L, 170R) and coupled to a driver (180), with the meter electronics (20) configured to: vibrate the flowmeter assembly (10) in a single mode using the driver (180), determine a single mode current (230) of the driver (180) and determine first and second response voltages (231) generated by the first and second pickoff sensors (170L, 170R), respectively, compute frequency response functions for the determined first and second response voltages (231) from the determined single mode current (230), fit the generated frequency response functions to a pole-residue model, and verify proper operation of the vibratory flowmeter (5) using the meter stiffness value (216), residual flexibility (218), and the meter mass (240) in embodiments.

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.