旋轉(zhuan)圓盤電(dian)(dian)極(ji)只有(you)(you)盤電(dian)(dian)極(ji)，盤的材料(liao)有(you)(you)玻碳(tan)、鉑、金、鈀等(deng)，使用時與電(dian)(dian)化學工(gong)作(zuo)站(zhan)或恒電(dian)(dian)位儀等(deng)三電(dian)(dian)極(ji)體系相(xiang)連(lian)，旋轉(zhuan)環盤電(dian)(dian)極(ji)有(you)(you)環和(he)盤兩個(ge)電(dian)(dian)極(ji)，環/盤的材料(liao)有(you)(you)鉑/玻碳(tan)、鉑/鉑、鉑/金等(deng)，使用時與具有(you)(you)雙工(gong)作(zuo)電(dian)(dian)極(ji)的電(dian)(dian)化學工(gong)作(zuo)站(zhan)或雙恒電(dian)(dian)位儀等(deng)四(si)電(dian)(dian)極(ji)體系相(xiang)連(lian)。