Electric Transformer Ratio Tester Meter
Professional transformer turns ratio tester designed for comprehensive electronic testing applications, featuring advanced measurement capabilities and robust construction.
Key Features
- Compatible with various transformer types including Z-type, rectifier, grounding, electric furnace, phase-shifting, and balance transformers
- Specialized support for Scott transformers and inverse Scott transformers
- Integrated three-phase precision inverter power supply eliminates harmonic interference for enhanced measurement accuracy
- Three-phase output voltage enables rapid testing with automatic phase-to-phase angle measurement
- Automatic identification of transformer wiring groups 0-11
- Comprehensive protection systems including high/low voltage reverse connection, turn-to-turn short circuit, and output full short circuit protection
- Automatic measurement of transformation ratio, error values, and tap positions (up to 99 positions)
- High-definition color LCD with Chinese operation prompts for intuitive use
- Multiple output options: print, USB, and optional RS232 interface
- Durable engineering plastic housing with cold resistance, temperature tolerance, waterproof sealing, and shockproof design
Technical Specifications
| Parameter |
Specification |
| Transformation Ratio Range |
0.9~10000 |
| Accuracy |
±0.1%rdg+2dgt (≤500)
±0.2%rdg+2dgt (>500 and ≤2000)
±0.5%rdg+2dgt (>2000) |
| Resolution |
0.0001 (0.9~9.9999)
0.001 (10~99.999)
0.01 (100~999.99)
0.1 (1000~9999.9)
1 (≥10000) |
| Working Power |
AC 220V±20% (AC110V available upon request) |
| Power Frequency |
50/60Hz |
| Operating Environment |
-10℃~50℃, Humidity <90% (no condensation) |
| Instrument Weight |
6kg |
| Instrument Dimensions |
360mm * 290mm * 170mm |