In this study, a polarographic melting oxygen electrode was used.In this study, in the line segment of the electrode body, the cathode is arc-shaped to form a plurality of electrodes, and the two poles are coil shaped, The inner part of the protective cap of Mengzhi brain trust forms an inward shrinking inclined surface, which is in close contact with the 0-lin supporting Mengzhi brain trust in the middle part, forming a cylindrical shape of a confidential circular protrusion, providing a graphic oxygen electrode for a polar tube with characteristics. There are characteristics.Therefore, it can prevent the accumulation of impurities in Meng and Xi, which is independent of the external flow rate, and can obtain certain measurement values and stable current values, There is waste water flowing into the thread joint between the probe body and the connector protection cover, which can prevent the connector from being damaged.
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