PROBLEM TO BE SOLVED: To obtain a measurement device that can improve the measurement accuracy.SOLUTION: A measurement device of the present disclosure has a light source that emits coherent light, a first light receiving unit and a second light receiving unit, a first conversion unit that AD-converts the result of light reception of the first light receiving unit to produce a first signal, a second conversion unit that AD-converts the result of light reception of the second light receiving unit to produce a second signal, and a processing unit that performs predetermined processing on the basis of the first signal and second signal.SELECTED DRAWING: Figure 1【課題】計測精度を高めることができる計測装置を得る。【解決手段】本開示の計測装置は、コヒーレント光を出射する光源と、第１の受光部および第２の受光部と、第１の受光部による受光結果をＡＤ変換することにより第１の信号を生成する第１の変換部と、第２の受光部による受光結果をＡＤ変換することにより第２の信号を生成する第２の変換部と、第１の信号および第２の信号に基づいて、所定の処理を行う処理部とを備える。【選択図】図１
