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All 618 results

供应高品质 ZA-35T 35KV 高压陶瓷支柱绝缘子(户内)厂家特价

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供应高品质 FS-10/2.5/5 10KV复合横担绝缘子 厂家直销 特价出售

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供应高品质 ZJ-10Q/100*140 10 KV 高压环氧树脂绝缘子厂家现货

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多种测试模式:电压渐进、电压步进、burning、early break以及I-limit等

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该测量仪器用于测量接地故障环路阻抗和线路阻抗。

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剩余电流设备测试 (RCCBs),正如名称表明,这是一款能够测试RCD特征的测量仪器。特别的是,它集合了适合,类型A,AC和S RCDs的

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通过LED对危险的接触电压进行指示,当超过限值的时候会产生声音信号,关机的时候会对干扰电压进行检查,过电压保护-当无意中连接到电源时,会对仪器进行保护

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绝缘电阻测试仪,电池供电,可用于额定电压至1000V的系统

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·绝缘测试电压: (0.500-2.500)kV(DC)/绝缘电阻: 1MΩ -50.00 GΩ

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跌落电阻约1MΩ(250/500V),约2MΩ(1000V),约5MΩ(2500V)

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CA6501为一新型结构紧凑,可完全自我供电的手摇式兆欧表。

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