Product Overview
The XHEP701A Ground Grid Resistance Tester is a large-current heterodyne testing instrument for measuring the grounding resistance of large-scale ground grids. It is a multi-application device suitable for substations (4Ω), thermal power plants, microwave stations (10Ω), lightning rods (10Ω) and other scenarios.
Performance Features
Adopting advanced technologies including heterodyne AC power supply, microcomputer control and signal processing, this instrument effectively solves the anti-interference problem during testing, simplifies the test operation process, improves the accuracy of test results, and significantly reduces the labor intensity of test personnel and overall test costs.
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
