PROBLEM TO BE SOLVED: To provide a thermocouple cyclometer capable of measuring crop stress non-destructively, continuously and automatically.SOLUTION: A personal computer 1 performs automatic measuring operation by allowing a measurement sample 10 to have a contact with a thermocouple sensor 5 via a cyclometer measuring device body 3, performs automatic digital recording of an ambient temperature of a T-type dry contact thermocouple and electromotive force variation of an E-type wet contact thermocouple for dew point measurement, and performs automatic reading of inflection point electromotive force Vd determined by analytical program software to the electromotive force variation of the E-type wet contact thermocouple for dew point measurement.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】作物ストレスを非破壊、連続、自動計測できる熱電対サイクロメータを提供する。【解決手段】パソコン1は、サイクロメータ計測器本体3を介して測定試料10に熱電対センサ5を接し自動計測操作しており、T型乾接点熱電対の気温と露点計測用のE型湿接点熱電対の起電力変動をデジタル自動記録すると共に、露点計測用のE型湿接点熱電津の起電力変動に対して解析プログラムソフトによって求める変曲点起電力Vdを自動読み取りする。【選択図】図1
