PROBLEM TO BE SOLVED: To propose a novel technique for measuring internal temperature of a measured body.SOLUTION: A temperature measurement device 1 comprises: a first temperature sensor 11 in the vicinity of a contact face 10b to a measured body in a thickness direction of a device main body 10； and a second temperature sensor 12 in the vicinity of a display part 13 in the thickness direction of the device main body 10. By switching display/non-display of a mark M, the display part 10 is switched between a first display state and a second display state. By using detection temperatures of the first temperature sensor 11 and the second temperature sensor 12 in the first display state and detection temperatures of the first temperature sensor 11 and second temperature sensor 12 in the second display state, internal temperature of the measured body is calculated.SELECTED DRAWING: Figure 2【課題】被測定体の内部温度を測定するための新しい手法の提案。【解決手段】温度測定装置１は、装置本体１０の厚み方向において被測定体への接触面１０ｂ寄りに第１温度センサー１１を、装置本体１０の厚み方向において表示部１３寄りに第２温度センサー１２を備える。マークＭを表示／非表示に切り替えることによって、表示部１０を第１表示状態と第２表示状態とに切り替える。第１表示状態のときの第１温度センサー１１の検出温度及び第２温度センサー１２の検出温度と、第２表示状態のときの第１温度センサー１１の検出温度及び第２温度センサー１２の検出温度とを用いて、被測定体の内部温度を算出する。【選択図】図２
