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Abstract

A measuring sensor device for the detection of physical quantities is equipped with an identification generator in whose memory module correction data (sensor identification data) are stored. For the transmission of identification data, the identification generator is connected, via two of the lines which are normally used for the measured value transmission and/or the energy supply of the measuring sensor device and another line used for a shunt calibration of the measuring sensor device, to the analysis circuit and can be activated and controlled by the latter. By means of a special wiring of the identification generator, correction data may also be fed into it during a calibration. The thus obtained system for the detection of physical quantities is therefore distinguished by high flexibility, simplicity with respect to circuits and operatability in extreme temperatures.

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First Claim