Features
- Combines winding resistance and transformer turns ratio testing in one device
- Wide ratio measurement ranges from 0.8 to 20,000 with up to 0.2% accuracy
- Automatic operation for fast and efficient transformer testing
- Works with three-phase transformers for industrial applications
- Digital LCD interface for easy operation and data display
- Portable design with protective housing for field testing
- High reliability with AC 220 V ±15% power supply and safety features
Technical Specifications
| Main indicators of dc resistance | |
| DC Resistance Test Current | AUTO, < 20 mA , 40 mA , 200 mA , 1 A, 3 A, 10 A |
| DC Resistance Test Range and Accuracy | 10 A: 0.5 mΩ to 800 mΩ ± (0.2% +2 digits )
3 A : 2 mΩ to 2 Ω ± (0.2% +2 digits); 5 mΩ to 10 Ω ± (0.2% +2 digits) 200 mA: 100 mΩ to 50 Ω ± (0.2% +2 words) 40 mA : 500 mΩ to 250 Ω ± (0.2% +2 digits) < 20 mA: 50 Ω to 50 KΩ ± (0.5% +2 digits) |
| Minimum Resolution | 0.1 μΩ |
| Display | LCD display, Resistor display has 4 effective figures |
| Data Storage | 1000 groups |
| Working Environment | < 80% RH, non-condensing |
| Relative Humidity | non-condensing |
| Ambient Temperature | -4 °F to 104 °F (-20 ℃ to 40 ℃) |
| Power Supply | AC 220 V ± 10 V, 50 Hz± 1 Hz |
| Fuse | 5 A |
| Maximum Power Consumption | 200 W |
| Main indicators of transformer turn ratio | |
| Test range | Transformation ratio — 0.9 to 10000 Angle — 0° to 360° |
| Ratio Accuracy | ± 0.1% + 2 words ( 0.9 to 500 )
± 0.2% + 2 words ( 501 to 2000 ) ± 0. 5 % + 2 words ( 2001 to 10000 ) |
| Angle Accuracy | ± 0. 2° |
| Output Voltage | automatically adjusted according to the load |
| Resolution | ratio – minimum 0.0001, angle – 0.01° |
| Working Power Supply | AC 220 V ± 10%, 50 ± 1Hz |
| Ambient Temperature | 14 °F to 104 °F (- 10 ℃ to 40 ℃) |
| Relative Humidity | ≤ 85% RH, no condensation |
| Dimensions | 20.5 in x 17.3 in x 22 in (52 cm x 44 cm x 56 cm) |
| Product Weight | 68.3 lb (31 kg) |
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