| 摘要 |
There are provided, in which thermo-couple input temperature is calculated from thermo-couple output electrical potential and surrounding temperature, a memory 101 for storing a plurality of values of thermo-couple input temperature being calculated using a plurality of values of thermo-couple output electrical potential and a plurality of values of surrounding temperature; and a calculation unit for inputting a predetermined value of thermo-couple output electrical potential and a predetermined value of surrounding temperature, reading out from the memory 101 a plurality of values of stored thermo-couple output electrical potential corresponding to a predetermined value of inputted thermo-couple output electrical potential, reading out from the memory 101 a plurality of values of stored surrounding temperature corresponding to a predetermined value of inputted surrounding temperature, reading out from the memory 101 a plurality of values of stored thermo-couple input temperature selected from a plurality of values of read out thermo-couple output electrical potential and a plurality of values of read out surrounding temperature, and calculating thermo-couple input temperature corresponding to a predetermined value of inputted surrounding temperature and a predetermined value of inputted thermo-couple output electrical potential using an interpolation.
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