Abstract: 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 ?1 (404), and a first curved section (406c).

Abstract: 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).

Abstract: A method and apparatus for a flowmeter (5) is provided. The method comprises the steps of placing a material in a flow tube (130, 130?) while exciting a vibration mode of the flow tube (130, 130?). Exciting the vibration mode of the flow tube (130, 130?) comprises the steps of periodically driving a first driver (180L) with a first signal and periodically driving a second driver (180R) with a second signal, wherein the second driver (180R) is driven essentially in phase with the first driver (180L), but wherein the first driver's (180L) drive amplitude modulated signal reaches a maximum amplitude when the second driver's (180R) drive modulated signal reaches a minimal amplitude, and the first driver's (180L) drive amplitude modulated signal reaches a minimum amplitude when the second driver's (180R) drive amplitude modulated signal reaches a maximum amplitude.

Abstract: The present invention relates to a system, a method, and a computer program product for detecting a process disturbance from entrained gas or particulates within a fluid flowing in a vibrating flow device (5). In one embodiment, the system, the method and the computer program may involve a comparison between a measured drive gain and a drive gain threshold value and a comparison between a void fraction and a void fraction threshold value. In another embodiment, the system, the method and the computer program may involve a comparison between a measured drive gain and a drive gain threshold value, a comparison between a void fraction and a void fraction threshold value, and a comparison between a measured mass flow rate and a nominal mass flow rate threshold value.

Abstract: A method for forming a flameproof transmitter is disclosed. The transmitter includes a flameproof housing including an interior surface, a display aperture and a shoulder adjacent to the aperture at first end of the housing. A transparent panel including an outer face and a perimeter is inserted into the housing from a second end to threadingly engage a fastener feature located on the interior surface of the housing such that the fastener element contacts the transparent panel and retains the transparent panel against the shoulder. A perimeter interface region between the perimeter of the transparent panel and the interior surface of the flameproof housing creates a perimeter gap that does not exceed a predetermined flameproof gap limit and a face interface region between the outer face of the transparent panel and the shoulder creates a face gap that does not exceed the predetermined flameproof gap limit.

Abstract: Methods for operating a flowmeter diagnostic tool are provided that comprise interfacing the diagnostic tool with a flowmeter (5) sensor assembly (10). A base prover volume (BPV), a desired number of passes per run, and/or a maximum number of allowed runs may be input into the diagnostic tool. Flowmeter data is received. An estimated total prove time (TPT) necessary to pass a predetermined repeatability requirement, an estimated minimum number of runs needed to achieve the calculated TPT, and/or an estimated minimum BPV may be calculated. A standard deviation of the flowmeter sensor assembly flow rate (?) is calculated, and the number of samples used to calculate a is determined. A meter-specific factor (MSF) is calculated.

Abstract: A vibratory meter (5, 1600) configured to predict and reduce noise in the vibratory meter (5, 1600). The vibratory meter (5, 1600) includes a sensor assembly (10, 1610) and a meter electronics (20, 1620) in communication with the sensor assembly (10, 1610). The meter electronics (20, 1620) is configured to provide a drive signal to a sensor assembly (10, 1610), receive a sensor signal from the sensor assembly (10, 1610) having one or more components, and generate a signal to be applied to one of the sensor signal and the drive signal to compensate for the one or more components.

Abstract: A method of determining a zero offset of a vibratory meter at a process condition is provided. The method includes measuring a flow rate of a material in the vibratory meter, determining if the measured flow rate is less than a low flow threshold, measuring one or more operational parameters of the vibratory meter, determining if the one or more measured operational parameters of the vibratory meter are within a corresponding range, and if the measured flow rate is less than the low flow threshold and if the one or more measured operational parameters of the vibratory meter are within the corresponding range, then determining a zero offset of the vibratory meter based on the measured flow rate.

Abstract: A multichannel flow tube (300) for a vibratory meter (5), and a method of manufacturing the multichannel flow tube are provided. The multichannel flow tube comprises a tube perimeter wall (304), a first channel division (302b), and a first support structure (308a). The first channel division is enclosed within and coupled to the tube perimeter wall, forming a first channel (306b) and a second channel (306c). The first support structure is coupled to the tube perimeter wall and the first channel division.

Abstract: A system (600, 700) for correcting a measured flow rate for viscosity effects of a fluid in a vibratory meter (5) is provided. The system (600, 700) includes a sensor assembly (10) and a meter electronics (20) communicatively coupled to the sensor assembly (10). The meter electronics (20) is configured to receive sensor signals from the sensor assembly (10), determine a non-viscosity correlation parameter based on the sensor signals, and correlate the non-viscosity correlation parameter to a viscosity of a fluid in the sensor assembly (10).

Abstract: A system (600) and method (500) for a standards traceable verification of a vibratory meter (5) is provided. The system (600) includes a storage (610) having a baseline meter verification value of the vibratory meter and a processing system (620) in communication with the storage (610). The processing system (620) being configured to obtain the baseline meter verification value from the storage (610) and determine a relationship between the baseline meter verification value and a calibration value of the vibratory meter, said calibration value being traceable to a measurement standard. The method (500) provides a traceable verification of a vibratory meter by comparing (540) a physical property of the vibratory meter, which is determined from a first calibration value, to a reference value determined from a second calibration value, said calibration values being traceable to a measurement standard.

Abstract: 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; velocity of sound and drive velocity; or the length of the flow tube. 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; or velocity of sound and effective diameter.

Abstract: A vibratory meter (5) including a multi-channel flow tube (130) is provided. The vibratory meter (5) includes a meter electronics (20) and a meter assembly (10) communicatively coupled to the meter electronics (20). The meter assembly (10) includes the multi-channel flow tube (130, 330, 430, 530) comprising two or more fluid channels (132, 332, 432, 532) surrounded by a tube wall (134, 334, 434, 534). The two or more fluid channels (132, 332, 432, 532) and tube wall (134, 334, 434, 534) comprise a single integral structure. A driver (180) is coupled to the multi-channel flow tube (130, 330, 430, 530). The driver (180) is configured to vibrate the multi-channel flow tube (130, 330, 430, 530). The two or more fluid channels (132, 332, 432, 532) and tube wall (134, 334, 434, 534) are configured to deform in the same direction as the single integral structure in response to a drive signal applied to the driver (180).

Abstract: 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).

Abstract: A first and second vibratory meter (5), and methods of manufacturing the same are provided. The first 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 ??1#191 (404), and a first curved section (406c). The second 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#191 (704), a third substantially planar section (706c), a fourth substantially planar section (706d), and a fifth substantially planar section (706e).

Abstract: A device and method to automatically switch referral matrices in a meter (120) to identify an unknown material circulating in a process application (900) and determine the material concentration, whether it may be a cleaning material or a process material. The present invention utilizes a measured line density and line temperature of the material along with a reference temperature to calculate a reference density. Using the reference temperature and reference density, a concentration percentage of the material may be determined.

Abstract: A method and apparatus for operating a flowmeter (5) is provided. A process fluid is placed in the flowmeter (5). A measured mass flow rate (221) of the process fluid is determined. The process fluid is totalized. A first flowmeter parameter is measured. The measured mass flow rate (221) is set to zero if the first flowmeter parameter differs from a pre-determined threshold by a predetermined amount, and totalizing is halted if the first flowmeter parameter differs from a predetermined threshold by a predetermined amount.

Abstract: A sensor assembly (10) of a vibrating meter (5) is provided. The sensor assembly (10) comprises one or more fluid conduits (103A, 103B). The sensor assembly (10) also includes a case (200) surrounding at least a portion of the one or more fluid conduits (103A, 103B). A synthetic wrap (300) is applied to at least a portion of the case (200).

Abstract: 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 velocity of sound and drive velocity. In further examples, the driver may apply a drive signal to the driver having a drive frequency proportional to the velocity of sound and effective diameter.