PUMP AND PUMP SYSTEM

摘要

PROBLEM TO BE SOLVED: To accurately check a waste level of a sacrificial anode installed inside a pump.SOLUTION: A liquid pump includes: the sacrificial anode installed inside the pump; a sacrificial anode installation part for installing the sacrificial anode; and a first photoreaction part disposed between the sacrificial anode and the sacrificial anode installation part and having fluorescent property or luminous property reactive to any specific wavelength light.