High Precision Handheld Color Touch Screen Digital Power Transformer Turns Ratio Group with 2 Years Warranty Portable Meter
Product Overview
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.
Key Features
- 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
Technical Specifications
| Parameter |
Value |
| Test Range |
0.9~10000 |
| Measurement Accuracy |
±0.1%+2 digits (0.9 ~ 500)
±0.2%+2 digits (501 ~ 2000)
±0.5%+2 digits (2001 ~ 10000) |
| Resolution |
Minimum 0.0001 |
| Output Voltage |
Automatically adjusted according to the load |
| Power Supply |
Built-in rechargeable lithium battery or power adapter |
| Ambient Temperature |
-10℃ ~ 40℃ |
| Relative Humidity |
≤85%, no condensation |