PROBLEM TO BE SOLVED: To provide a thermometer and a temperature measuring method capable of reducing a defect due to the mounting deviation of a sensor and of improving a yield.SOLUTION: The thermometer includes: first surface temperature measuring means 20a； first reference temperature measuring means 24A； second surface temperature measuring means 20B； second reference temperature measuring means 24B； temperature compensation means 40 for converting a difference of mounting positions between the first surface temperature measuring means 20A and the second surface temperature measuring means 20B relative to a measured object and a difference of mounting positions between the first reference temperature measuring means 24A and the second reference temperature measuring means 24B into temperature differences for compensating temperature dependency to correct the first surface temperature and the first reference temperature, or the second surface temperature and the second reference temperature； and depth temperature calculation means 42 for calculating a depth temperature of the measured object with the use of the first surface temperature and the first reference temperature, or the second surface temperature and the second reference temperature, which are corrected by the temperature compensation means.【課題】センサー実装ずれによる不良を削減し歩留りを向上することができる温度計及び温度計測方法を提供する。【解決手段】温度計は、第１表面温度測定手段２０Ａと、第１参照温度測定手段２４Ａと、第２表面温度測定手段２０Ｂと、第２参照温度測定手段２４Ｂと、被測定対象からの第１表面温度測定手段２０Ａと第２表面温度測定手段２０Ｂとの実装位置の差及び第１参照温度測定手段２４Ａと第２参照温度測定手段２４Ｂとの実装位置の差を、温度依存性を補償する各温度差に換算して第１表面温度及び第１参照温度、あるいは第２表面温度及び第２参照温度を補正する温度補正手段４０と、温度補正手段で補正された第１表面温度及び第１参照温度、あるいは第２表面温度及び第２参照温度を用いて被測定対象の深部温度を演算する深部温度演算手段４２と、を含む。【選択図】図１
