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Measured value plausibility and quality evaluating method for e.g. control circuit, involves forming and evaluating derivative of measured value according to time, where measured value is compared with predefined warning limit value
Measured value plausibility and quality evaluating method for e.g. control circuit, involves forming and evaluating derivative of measured value according to time, where measured value is compared with predefined warning limit value
The method involves forming and evaluating a derivative of a measured value according to time. The measured value is compared with a predefined warning limit value or a predefined alarm limit value. A warning signal is generated when the predefined warning limit value or the predefined alarm limit value exceeds or falls below. The performance of the measured value is numerically indicated, or graphically indicated in the form of a bar graph (B). A measuring sensor (MR) measures a parameter of a processing medium (PM), and provides the measured value to a measuring transducer. An independent claim is also included for a device for evaluating a measured value.
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