一个简单的测量设备,专门研究简单的接地电阻测量(2极方法)! 200/2000Ω 2-range auto Buzzer notifies you of less than 100Ω Ground resistance (Ω): 200/2000 Ground voltage (V): 300 AC voltage (V): 300 DC voltage (V): 300 Case: Soft Measurement range: 200.0/2000Ω 准确性:±3%rdg±5dgt 深度(mm):42 电源(V):2 x AA电池(LR6)(包括) 高度(MM):232 宽度(mm):51 :51 :51 :51