Problem to be solved: to improve the function of detecting droplets falling in the inside of the drip tube.A drip monitoring device monitors a droplet falling inside the drip tube.Drip monitoring deviceA plurality of light emitting elements capable of illuminating light toward the inside of the drip tubeA light receiving element capable of receiving light emitted from the plurality of light emitting elements toward the inside of the drip tubeA first control unit for controlling the amount of light emitted from each light emitting element of the plurality of light emitting devices and a light emitting deviceBased on the amount of light received by the light receiving element when the liquid droplet is not passed through the inside of the drip tubeA second control unit for controlling the amount of light emitted from each of the light-emitting devices to the first control unit.Diagram【課題】点滴筒の内部を落下する液滴を検出する機能を向上させる。【解決手段】点滴監視装置は、点滴筒の内部を落下する液滴を監視する。点滴監視装置は、前記点滴筒の内部に向けて光を照射可能な複数の発光素子と、前記複数の発光素子が前記点滴筒の内部に向けて照射した光を受光可能な受光素子と、前記複数の発光素子の各発光素子が照射する光の発光量を制御する第１制御部と、前記点滴筒の内部を液滴が通過していないときに前記受光素子が受光した受光量に基づいて、前記第１制御部に前記各発光素子の発光量を制御させる第２制御部と、を備える。【選択図】図１
