4.1.5 Data recording and processing
(1)Record the data and fill in Table 4.1.1.
Table 4.1.1 Measurement of thermocouple’s thermo-electromotive force
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(2)Draw the calibration curve of the thermocouple thermometer on rectangular coordinate paper(The vertical axis represents the thermo-electromotive force and the horizontal axis represents the temperature difference).
(3)Use successive differential method(or calibration curve)to obtain the thermoelectric coefficient of the thermocouple:
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