In power systems, portable short-circuit grounding wires and personal protective grounding wires play a crucial role in preventing unexpected power calls from electrical equipment and lines, eliminating induced voltage, and discharging residual charges. To prevent unqualified grounding wires from entering the power system, our company has developed this "Group DC Resistance Tester for Grounding Wires" to support essential product preventive testing in power systems.

• High-speed microcontroller control with full automation and user-friendly operation
• Advanced power supply technology providing stable output current, high voltage, fast measurement speed, and wide range compatibility for various grounding wires
• Built-in clock and perpetual calendar with storage for 1000 test datasets for convenient access
• Comprehensive protection system with internal power supply overheating protection and voltage line reverse connection alerts
• 320*240 dot matrix LCD screen with Chinese language interface for easy operation
• Integrated thermal printer for real-time test data printing
• Intelligent power management technology ensuring minimal power consumption and reduced internal heating