Features
- Measures transformer winding DC resistance with high accuracy ±(0.2% + 2 digits)
- Supports three-phase simultaneous testing with automatic unbalance rate calculation
- Multiple output current options for different transformer sizes and types
- Magnetic augment function for efficient low-voltage winding testing
- Real-time data display on 7-inch color touch screen
- Copper or Aluminum winding material setting with temperature conversion coefficient
- Neutral point resistance detection for YN windings
- Complete protection circuit with clear discharge alarm
- USB and RS232 interfaces for data transfer and remote control
- Built-in memory for storing up to 100 groups of test data
- Chinese and English interface options
- Durable industrial plastic case for portability and long service life
Technical Specifications
| Output Current | Three-phase: 5A+5A, 1A+1A, 200mA+200mA, 20mA+20mA; Single-phase: 10A, 5A, 1A, 200mA, 20mA |
| Measurement Range | Three-phase for 2 mΩ to 200 Ω; Single-phase for 1 mΩ to 20 kΩ |
| Accuracy | ± (0.2% + 2 digits) |
| Minimum Resolution | 0.1 μΩ |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 1 Hz |
| Display | 7-inch color touch screen |
| Interfaces | RS232, USB |
| Data Storage | Up to 100 groups |
| Operating Temperature | 14 °F to 104 °F (-10 °C to 40 °C) |
| Ambient Humidity | ≤ 80% RH (non-condensing) |
| Dimensions | 16.85 in × 13.78 in × 9.06 in (42.8 cm × 35.0 cm × 23.0 cm) |
| Weight | 23.81 lb (10.8 kg) |
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