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Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies

Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies
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Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies - 1

Technical Publication Improve Flow Meter Flexibility and Simplify Maintenance By Combining Wired and Wireless Technologies By Gerardo Vargas, Electronics Design Engineer, Fluid Components International

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Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies - 2

Tech Article Improve Flow Meter Flexibility and Simplify Maintenance By Combining Wired and Wireless Technologies By Gerardo Vargas, Electronics Design Engineer, Fluid Components International While wireless technology has grown rapidly in terms of devices, functionality and availability in the consumer and commercial electronics markets, the wireless revolution is today a bit further behind in terms of adoption in the process control markets. Reliability and security remain primary concerns for adoption in critical production process measurement and control applications, including flow....

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Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies - 3

How A Wired/Wireless Flow Meter Works The newest generation of mass flow meters, such as FCI’s Models ST50 and ST75, come with conventional hard-wired 4-20mA analog outputs and an RS232C serial I/O communication link, and they offer an optional built-in wireless infrared (IR) link. The hard-wired 4-20mA signal and serial I/O provide well established and highly reliable means of communicating the process flow data to the DCS and control room. The IR link provides both an auxiliary device for reading the same measured data as well as access to the electronics for set-up and system diagnostics...

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Improve Flow Meter Flexibility and Simplify Maintenance by Combining Wired and Wireless Technologies - 4

you consider the media, there are several other factors to always consider: • Accuracy and repeatability • Plant environment • Installation requirements • Maintenance and life Accuracy and Repeatability. You need to know the accuracy, repeatability and flow range of the flow meter that you plan to use. The specifications for these parameters in water, air or a specific gas are provided by most manufacturers. For example a typical air flow meter, such as FCI’s insertion-style, thermal mass ST50 Series, operates in air over a flow range from 1.5 to 150 SFPS (0.46 to 46 NMPS) with an accuracy...

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