PROBLEM TO BE SOLVED: To provide a sensor unit for detecting a cardiac potential etc. which improves convenience for a user.SOLUTION: The sensor unit comprises a sensor, a gel part 23, a measurement part, and a conductive part. The sensor includes electrodes, and the gel part 23 has a first surface and covers the sensor therewith at a prescribed distance from the first surface. The measurement part is exposed from at least a portion of the first surface, and the conductive part being extensible electrically interconnects the electrodes and the measurement part.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】ユーザの利便性を向上させる心電位等を検出するセンサユニットを提供する。【解決手段】センサと、ゲル状部23と、測定部と、導電部と、を有する。電極を備えたセンサと、第一面を有し、該第一面とは所定の距離だけ離間した位置でセンサを覆ったゲル状部23と、第一面の少なくとも一部から露出した測定部と、電極と測定部との間を電気的に接続した、伸縮可能な導電部と、を備える。【選択図】図1