Product Overview
The XHEP701A Ground Grid Resistance Tester is a professional heterodyne high-current testing tool for large-scale ground grid grounding resistance, designed for multi-scenario applications covering substations (4Ω), thermal power plants, microwave stations (10Ω), lightning rods (10Ω) and more.
Performance Features
Equipped with cutting-edge heterodyne AC power supply, microcomputer control and signal processing technologies, this instrument perfectly eliminates interference during testing, optimizes operational procedures, boosts the precision of test outcomes, and greatly lowers both the labor burden of testers and the overall expenditure of testing work.
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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