The utility model relates to the technical field of pH analysis and detection of different water bodies, in particular to a portable detector capable of monitoring pH in situ. Comprises a working electrode, a reference electrode, a temperature sensing electrode, a sealed cabin shell, a sealed cabin inner frame and a control system, wherein the upper end and the lower end of the sealed cabin shell are respectively provided with a sealed cabin upper cover and an outer sealed cabin lower cover, the sealed cabin inner frame is arranged in the sealed cabin shell, and the control system is arranged on the sealed cabin inner frame; One end of the working electrode, one end of the reference electrode and one end of the temperature sensing electrode penetrate through the upper cover of the sealed cabin and are arranged in the shell of the sealed cabin and are all connected with the control system through copper wires, and the other ends of the working electrode, the reference electrode and the temperature sensing electrode are exposed outside the upper cover of the sealed cabin. The utility model can realize the repairing of the electrodes, the replacement of new electrodes or the replacement of different working electrodes by disassembling the electrodes for a plurality of times, and the repeated use of the electrodes and the detection of different water bodies can be realized.
; 梁艳; 周正文
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