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切换极低电压和电流低热--干簧继电器HVFR系列
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切换皮安（pA）或飞安（fA）级电流的系统也需要特殊的高绝缘，这只有干簧继电器可以满足这样的要求。绝缘级别可能需要1014Ω或1015Ω。我公司的HVFR系列有几个切换选择，可以满足这样的切换要求。
技术参数(参见HVFR和BT系列)：
● 切换电压：1.0KVDC
● 绝缘电阻
▪ 触点/触点：典型值高达1012Ω(特殊条件下可达1014Ω)
▪ 触点/线圈：典型值高达1013Ω(特殊条件下可达1015Ω)
● 耐压强度
▪ 触点/触点：1.5KVDC
▪ 触点/线圈：4.5KVDC
● 低热偏移电压：﹤10mV；﹤1.0Mv (BT系列)
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