多电极式电导电极，一般在支持体上有几个环状的电极，通过环状电极的串联和并联的不同组合，可以制成不同常数的电导电极。环状电极的材料可以是石墨、不锈钢、钛合金和铂金。
电导电极还有四电极类型和电磁式类型。四电极电导电极的优点是可以避免电极极化带来的测量误差，在国外的实验式和在线式电导率仪上较多使用。电磁式电导电极的特点是适宜于测量高电导率的溶液，一般用于工业电导率仪中，或利用其测量原理制成单组分的浓度计，如盐酸浓度计、硝酸浓度计等。

厦门市哲控工业设备有限公司
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