Online monitoring device for PH value of water-phase solution

The utility model discloses a water phase solution PH value on-line monitoring device in the technical field of monitoring devices, which comprises a shell, an elastic buckle, an extension cord, a protection box, a connecting plate and a touch panel, the elastic buckle is fixedly connected to the middle of the left side wall of the shell, the extension cord is movably connected to the upper side of the left side wall of the shell, and the protection box is connected with the connecting plate. The protection box is fixedly connected to the right side of the bottom of an inner cavity of the shell, the connecting plate is fixedly connected to the top of the shell, and the touch panel is embedded in the front side wall of the shell, the water-phase solution PH value online monitoring device is reasonable in structural design, the integrated structure of the monitoring device is achieved, and the monitoring efficiency is improved. According to the monitoring device, the operation of splicing and mounting by an ope