Self-calibrating thermometers in hygienic processes
Theory and practice
This white paper explains how self-calibrating thermometers can be used in hygienic process engineering. It details theory and practice as well as application examples.
How self-calibration works
The self-calibration method uses the Curie temperature (Tc) of a reference material as a built-in temperature reference. Self-calibration is performed automatically when the process temperature (Tp) drops below the nominal Curie temperature (Tc) of the device.
The electronics unit detects this change automatically and simultaneously calculates the deviation of the measured Pt100 temperature from the known Curie temperature, which is a physical fixed point.
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