Multi-functional soil corrosion rate measuring instrument technical characteristics] The combination of five identical material electrode rings is combined into a combined electrochemical probe, which effectively reduces the influence of soil dielectric IR drop when measuring corrosion current density; among them, auxiliary electrode (CE) research electrode The connection method of (WE) and reference electrode (RE) is represented by (CE-WE-RE), and the combined electrochemical probe connection method is (1-5, 2-4, 3). The area of ​​the research electrode (WE) and the reference electrode (RE) is 5 cm2. Using a four-electrode probe, the relative measurement voltage is used to accurately determine the soil resistivity, avoiding the reading difficulty caused by high-voltage measurement and physical and chemical chemistry. Performance damage;
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