This high-precision handheld digital power transformer turns ratio group meter features a color touch screen interface and comes with a 2-year warranty. Designed for portable field testing, it offers comprehensive measurement capabilities for various transformer types.

• Three-phase precision inverter eliminates harmonic effects from mains voltage for enhanced measurement accuracy, even when using generator power sources
• Three-phase output voltage improves testing speed while measuring phase angles and automatically identifying transformer connection groups
• Compatible with diverse transformer types including Z-type, rectifier, grounding, electric furnace, phase-shifting, and balance transformers
• Comprehensive protection systems including high/low voltage reverse connection protection, turn-to-turn short circuit protection, and output full short circuit protection
• Automatic measurement of transformer ratio, error values, and tap changer positions with capacity for up to 99 tap positions
• 7-inch high-definition color touch-screen LCD with modular display and intuitive menu-guided operation
• Multiple connectivity options including printout, USB interface, and RS232 interface for paperless office integration
• Durable multi-functional engineering plastic case offering cold/temperature resistance, waterproof sealing, and anti-shock protection
• Compact, lightweight design for easy portability and field operation