Process variable measurement and local display with multiple ranges
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jun 26, 2015
filing date -
Jun 26, 2015
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Abstract
A process variable indicator is provided. The process variable indicator includes a process variable sensor having an electrical characteristic that varies with the process variable. Measurement circuitry is coupled to the process variable sensor and is configured to provide an indication relative to the electrical characteristic. A processor is coupled to the measurement circuitry and is configured to compute a process variable based on the indication and determine, among a plurality of ranges, which range the process variable is within. The processor generates a local visual output based on the process variable and the determined range. A method of visually indicating a process variable is also provided.
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