穿到滚动弹簧上，并连接到弹簧连接器上，用于PosiTest HHD 系列
102mm/4" 导电橡胶桨，用于 PosiTest HHD
连接 PosiTest HHD 到DeFelsko或SPY的滚动弹簧电极上。
不锈钢风扇刷，用于 PosiTest HHD 系列 - 152 毫米（6 英寸）
连接弹簧和电刷电极，以 PosiTest HHD 从其他制造商
氯丁橡胶半圆形刷状电极，用于 PosiTest HHD 系列-适用于 50 至 127 毫米/2 至 5 英寸的管道
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