Product Overview
XHEP701A Ground Grid Resistance Tester is a heterodyne high-current tester for large ground grid grounding resistance, applicable to substations (4Ω), thermal power plants, microwave stations (10Ω), lightning rods (10Ω) and other multi-purpose models.
Performance Features
This instrument integrates heterodyne AC power supply, microcomputer control and signal processing technologies, which resolves testing anti-interference issues, streamlines test operations, enhances test result accuracy, and cuts down test personnel's labor intensity and test costs substantially.
Technical Parameters
★ Impedance: 0～5000Ω±2%+0.005Ω Resolution: 0.001mΩ
★ Voltage: 0～400V±2%+0.005V Maximum Resolution: 0.001V
★ Test Current Waveform: Sine wave 45, 50, 55, 60, 65Hz single frequency
45/55Hz, 55/65Hz, 47.5/52.5Hz automatic dual frequency conversion
★ Output Current: 1, 2, 3, 4, 5A Maximum Output Voltage: 400V
★ Measurement Cable Requirements: Current cable ≥1.5mm² Voltage cable ≥1.0mm²
★ Power Supply: AC180～270V, 50/60Hz
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