The HZ-10K Transformer DC Resistance Tester is an essential instrument for transformer testing throughout the entire lifecycle — from manufacturing (semi-finished and finished products) and factory testing to installation, overhauls, tap changer adjustments, acceptance testing, and preventive maintenance by power departments.

It verifies the welding quality of winding joints, detects inter-turn short circuits in windings, confirms the contact quality of tap changer positions, and ensures the actual tap changer position matches the indicated position. It also identifies broken leads, broken strands in multi-strand wires, and other faults.

Built on advanced power technology, this instrument offers a compact, lightweight design with high output current, excellent repeatability, strong anti-interference capability, and comprehensive protection functions. The entire unit is controlled by a high-speed microcontroller, delivering a high degree of automation with automatic discharge and discharge alarm functions. It provides high measurement accuracy, simple operation, and rapid measurement of transformer DC resistance.

• Resists high heat, humidity, and salt spray for tropical island use
• Runs stably at -40℃ — cold-proof and anti-condensation
• IEC compliant, with complete calibration certificates provided
• Local support: spares, on-site training, and instrument calibration

1. High output current with a lightweight design.
2. Six selectable output current levels, with a maximum output of 10A.
3. Wide measurement range: 0–100KΩ.
4. Comprehensive protection circuit for more reliable performance.
5. Lithium-ion battery powered, convenient for field operations.
6. Battery level display and LCD menu operation make the instrument user-friendly.
7. Audio and LCD discharge alarm indication with clear discharge indicators to reduce operational errors.