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日本共立KEW 4300/KYORITSU 4300接地电阻测试仪的性能: 1. KEW 4300是简易接地电阻测试(2极法)的简化型测试仪器。2. 200/2000Ω的2个自动量程。3. 100Ω以下时启动蜂鸣警告。4. 通电警告功能(电阻测试中也可检测)。5. AC/DC电压测试(AC是真有效值)。6. 30V以上...
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