| Brand | HK Electrical |
| Model NO. | WDB-II Fully automatic transformation ratio tester |
| Resolution ration | 10000 and above |
| Range | 0.9～10000 |
| Series | WDB-II |
Description
The transformer ratio tester overcomes the shortcomings of the traditional ratio bridge test. The screen adopts a large-screen high-resolution liquid crystal display, which is convenient for on-site use. It has a Chinese menu prompt function, and the operation is simple and intuitive. The test speed is fast and the accuracy is high.
Specifications
| Range | 0.9～10000 |
| Accuracy | ±(reading × 0.1%+2 digits) (less than or equal to 500) |
| ±(reading × 0.2%+2 digits) (greater than 500 and less than or equal to 3000) | |
| ±(reading × 0.3%+2 digits) (greater than 3000) | |
| Resolution | 0.9 to 9.9999 (0.0001) |
| 100 to 999.99 (0.01) | |
| 10000 and above (1) | |
| 10～99.999（0.001） | |
| 1000～9999.9（0.1） | |
| Working power | AC220V±10%, 50Hz |
| Instrument weight | 3.5Kg |
| Instrument volume | 260mm (length) × 200mm (width) × 160mm (height) |
| Operating temperature | -10℃～50℃ |
| Relative humidity | <90% no condensation |
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