Key Features of Our Three-Phase Transformer DC Winding Resistance & Turns Ratio Tester (TTR Meter):

Multilingual Support & Global Compatibility
Operates seamlessly in English, Spanish, or Russian—ideal for international technicians and engineers working across diverse regions.
Precision Engineering & Robust Build
Features high-grade ABS casing with reinforced internal circuitry for shock resistance and long-term durability in harsh field conditions (factories, substations, or remote sites).
Dual-Function Testing in One Device
Measures both DC winding resistance (accuracy ±0.2%) and turns ratio (precision ±0.1%) to streamline transformer maintenance, commissioning, and fault diagnosis.
Wide-Range Applications
Designed for power utilities, industrial plants, and labs handling three-phase transformers (up to 10kV). Critical for preventive maintenance, quality control, and compliance testing.
User-Centric Design
Auto-calibration function, backlit LCD display, and lightweight (2.5kg) for effortless portability and one-person operation.
Wholesale Advantage
Direct factory pricing—no middlemen. Bulk orders available with guaranteed lowest global rates for distributors and large-scale procurement teams.