PROBLEM TO BE SOLVED: To provide a biometric device for accurately measuring a constituent concentration of a living body.SOLUTION: A biometric device comprises: a first detection unit 7 comprising a first infrared sensor 11 for irradiating an arm 4 with infrared light 26 and receiving infrared light 26 reflected by the arm 4 to output light strength data, and a first force sensor 12 for detecting contact force between the first infrared sensor 11 and the arm 4； a second detection unit 8 comprising a second infrared sensor 13 and a second force sensor 14； a holding unit 22 for holding the first detection unit 7 and the second detection unit 8 so that the first infrared sensor 11 and the second infrared sensor 13 are in contact with the arm 4； a pressing force determination unit for comparing magnitude of force with a determination value to determine whether or not the magnitude of force is within a predetermined range； and a constituent concentration calculation unit for calculating a blood sugar level of the arm 4 by using light strength data at the time of the pressing force determination unit determining that the contact force is within a predetermined range.COPYRIGHT: (C)2016,JPO&INPIT【課題】精度良く生体の成分濃度を計測する生体計測装置を提供する。【解決手段】腕４に赤外光２６を照射し腕４に反射した赤外光２６を受信して光強度データを出力する第１赤外センサー１１と、第１赤外センサー１１と腕４との間の接触力を検出する第１力センサー１２と、を備える第１検出部７と、第２赤外センサー１３及び第２力センサー１４を備える第２検出部８と、第１赤外センサー１１及び第２赤外センサー１３が腕４に接触するように第１検出部７及び第２検出部８を保持する保持部２２と、力を判定値と比較し力が所定の範囲内にあるか否かを判定する押圧力判定部と、接触力が所定の範囲内にあると押圧力判定部が判定したときの光強度データを用いて腕４の血糖値を演算する成分濃度演算部と、を備える。【選択図】図２
