| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of causing the fluctuation of temperature by the fluctuation of power supply quantity to a reference substance due to changing supplied power distribution according to temperature difference regarding the compensation of temperature difference between the sample side and the reference substance side by a differential thermal feedback loop and to solve the problem of causing mutual interference by the supply of power to both the sample side and reference substance side by double feedback loops. SOLUTION: A first solution means is so constituted that a differential thermal feedback loop changes power supplied to the sample side to compensate temperature difference generated between the sample side and the reference substance side and that an average temperature feedback loop controls power supplied to a reference substance side heater to make the temperature on the reference substance side coincide with program temperature and supplies the same amount of power to the sample side.
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