用于PosiTest HHD的 102 毫米/4 英寸导电橡胶桨
穿到滚动弹簧上，并连接到PosiTest HHD 系列的弹簧连接器上
将PosiTest HHD 连接到 DeFelsko 或 SPY 滚动弹簧电极上
用于PosiTest HHD 系列的不锈钢风扇刷 - 152 毫米（6 英寸）
将弹簧电极和刷电极连接到其他制造商生产的PosiTest HHD
用于PosiTest HHD 系列的氯丁橡胶半圆形刷状电极-适用于 50 至 127 毫米（2 至 5 英寸）的管道
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