MEASUREMENT DEVICE HAVING SENSOR FOR DETECTING WATER

To provide a technique for stably measuring the concentration or the physical property of a measurement target substance in soil even if the soil contains a small amount of water.SOLUTION: A measurement device according to an aspect of the present disclosure is a measurement device having a sensor for detecting water. The measurement device includes: a plurality of electrodes provided in soil at least partially; a sensor for detecting water; and a measurement unit for measuring the potentials of two of the electrodes on the basis of a signal output from the sensor and measuring the concentration or the physical property of the measurement target substance in the soil on the basis of the measured potentials.SELECTED DRAWING: Figure 1 【課題】含水率が低い土壌についても土壌中の測定対象物質の濃度または物性を安定的に測定可能な技術を提供する。【解決手段】本開示の一側面に係る測定装置は、水分を検出するセンサを備える測定装置であって、複数の電極であって、電極の少なくとも一部分が土壌中に設けられる複数の電極と、水分を検知するセンサと、センサから出力された信号に基づいて、複数の電極のうちの少なくとも何れか二つの電極の電位を計測し、計測された電位に基づいて土壌に含まれる測定対象物質の濃度または物性を測定する測定部と、を備える。【選択図】図１