Ph measuring device including 1 head pH electrode pH meter, capable of flow in the pipe. A pH electrode is composed by 2 kinds of glass. The stem of the glass electrode does not conduct electricity. The early exposure of electrode usually have round shape, made of lead glass ion Li "pH-sensitive", including the types of oxides silicon, calcium, lithium, and other components. The structure of the early exposure allows the electrons of Li ions are exchanged with the electrons of the H-ions in solution, forms a hydrate layer. An extremely small voltage is created through the interface between early exposure and external solution. The magnitude of this voltage depends on the pH value of the solution. Electric potential difference (V1-V2) between the hydrate layer inside and outside of the early exposure can be measured the electrode Ag/AgCl. Then, the signals will be processed by analysis and results will be displayed according to a according to the desired engineering units.
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