PROBLEM TO BE SOLVED: To provide a heartbeat measurement device capable of preventing the occurrence of a failure of an electrical connection portion and preventing detection performance from becoming unstable while ensuring good maintenability.SOLUTION: The heartbeat measurement device includes: a body portion 2 a heartbeat detection portion 3, formed integrally with the body portion 2, which has electrodes 6a, 6b which contact a biological surface and a fixing band 4 formed so as to cover the body portion 2 and the heartbeat detection portion 3, which fixes the body portion 2 and the heartbeat detection portion 3 to a user U.COPYRIGHT: (C)2013,JPO&INPIT【課題】良好なメンテナンス性を確保しつつ、電気的接続部に不具合が生じることを防止すると共に、検出性能が不安定になることを防止することができる心拍計測装置を提供する。【解決手段】本体部2と、この本体部2と一体的に形成され、生体表面に接触する電極6a,6bを有する心拍検出部3と、本体部2と心拍検出部3とを覆うように形成され、これら本体部2、及び心拍検出部3を使用者Uに固定するための固定バンド4とを備えた。【選択図】図3