R-C発振器を用いた恒温装置

概要

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A constant temperature control apparatus was designed using a thermister for a R element of a transister R-C oscillator. Values of resistances of the R elements including the thermister were adjusted to a starting position of oscillating region at a desired temperature, and the electric power to a electrical heated furnace was controlled by the intensity of the oscillation. By this means it is easy to hold the temperature of the furnace constant within 0.2 deg. at 200℃.
茨城大学文理学部の論文