电压测试器SXDW-II

交流 阻抗 频率

SXDW-II型地网电阻测试仪SXDW-II型地网电阻测试仪适用于测量各种地面设备的工频接地阻抗、特性参数和土壤电阻率，以及变电站地网(4Ω)、发电机、微波站(10Ω)、避雷器(10Ω)的测试。♦采用新型导频交流电源、微控制器和信号处理测量，解决干扰问题，简化测试过程，提高准确度和精度。♦良好的工频等效性，正弦波形测试电流。其频率与工频仅差5Hz。双频率测试:45Hz &55Hz。♦抗干扰能力强。导频测试，先进的滤波技术。♦精度高。错误:0.005Ω。它可用于测量小阻抗的大电网。 ♦ Can test current pile, voltage pile, earth resistance, contact voltage ♦ English friendly interface, easy to operate. ♦ Test range: 1MΩ～200Ω ♦ Resolution: 0.001Ω ♦ Test error: ± (Read×2%+0.005Ω) ♦ Measuring current waveform: Sine ♦ Anti-interference capability: power frequency 50Hz / 10V ♦ Measuring current frequency: 45Hz, 55Hz Double frequency ♦ Max. Output current: 5A ♦ Max. Output voltage: 400V ♦ Test wire demand: Current wire Copper core cross-sectional area≥1.5mm2 Voltage wire Copper core cross-sectional area≥1.0mm2 ♦ Power Supply: AC220V±10％，50Hz ♦ Oversize: 440×350×210 ♦ Weight: 10kg