Yokogawa releases OpreX Magnetic Flowmeter CA Series

Oct. 4, 2022
The products in this new series are all capacitance-type magnetic flowmeters that are capable of measuring the flow of conductive fluids through a measurement tube without the fluids coming into contact with the device's electrodes.

Tokyo, Japan — September 30, 2022 (Yokogawa release) —Yokogawa Electric Corporation recently announced the release of the OpreX Magnetic Flowmeter CA Series. This new product series succeeds the ADMAG CA Series and is being released as part of the OpreX Field Instruments family. The products in this new series are all capacitance-type magnetic flowmeters that are capable of measuring the flow of conductive fluids through a measurement tube without the fluids coming into contact with the device's electrodes.

In addition to this non-wetted electrode construction, this series features new functions that improve user-friendliness, maintainability, and operational efficiency. The new series is available in most major markets such as Japan, Southeast Asia, North and South America, Oceania, the Middle East and Africa, and will also be launched in Europe and China after qualifying for CE marking and obtaining the relevant certification for explosion-proof standards.

Development background

In plants, inspection is required for each instrument in order to maintain stable operation and product quality, so the efficiency of such inspections is an ongoing issue for production sites. As magnetic flowmeters have no structural components that hinder the flow of fluids and cause a loss in fluid pressure, they are widely used in plants to measure fluids with conductive properties. Large chemical plants and other such facilities can have hundreds of these instruments, and so it is important that their inspection and replacement as well as the collection of the data from each of these devices can be carried out efficiently.

In response to these needs, Yokogawa has revamped the ADMAG CA lineup of flowmeters, which were first released in 1995 and have been widely adopted by customers mainly in Japan, and developed the OpreX Magnetic Flowmeter CA Series, equipped with features to improve operational efficiency and maintainability, for release in a wide range of regions. This will help reduce the person-hours required for customer instrument inspections and contribute to improved plant operational efficiency.

Features of the OpreX Magnetic Flowmeter CA Series

Capacitance-type magnetic flowmeters utilize electrodes that are mounted outside a ceramic measurement tube to measure the electromotive force generated by fluids passing through the tube, eliminating all direct contact between the electrodes and the fluid. This ensures stable flow measurement of fluids containing minerals that generate electrical noise when they collide with an electrode; fluids such as latex, a sticky insulating fluid that can adhere to the inside surfaces of pipes; and fluids such as deionized water and mizuame (millet jelly) that have low conductivity.

In addition to this non-wetted electrode construction, the newly released OpreX Magnetic Flowmeter CA Series has the following new features:

  1. New and useful functions that improve user-friendliness and operational efficiency: Support for the widely used HART communications protocol has also been added, and a choice of nine languages is now given for the user interface, enabling swift and stress-free checking of displayed information. As an optional feature, measurement data can be saved on a microSD card for viewing on a PC, and instrument setting data that is saved on a microSD card can be copied to other devices. The display is now equipped with a backlight function that greatly improves visibility at night and in dark locations.
  2. A device soundness analysis function that improves maintainability: Products in this series are equipped with a function that can analyze and verify that they are in sound operating condition while mounted on a pipe. Inspection of magnetic circuits, excitation circuits, and arithmetic circuits, and the checking of device status alarms and soundness can be performed in as little as six minutes. When used in combination with Yokogawa’s FSA130 software (sold separately) and other maintenance tools, many additional items can be checked while a device is mounted on a pipe, and reports can be easily created.
  3. Easily replaceable measurement tubes suiting a wide variety of purposes: Measurement tubes in eight sizes ranging from 15mm to 200mm are available for use with these flowmeters, suiting a wide range of purposes. As they have the same face-to-face lengths* as the ADMAG CA Series flowmeters, no additional work is required to replace an ADMAG CA Series flowmeters with a product from the OpreX Magnetic Flowmeter CA Series.

* The length from end face to end face required to mount a magnetic flowmeter on a pipe

For more information, visit www.yokogawa.com

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