ZGY- IV Transformer DC Resistance TesterDetailed product description：

The ZGY-IV transformer DC resistance tester has a high degree of automation and strong anti-interference ability, suitable for various on-site environments. It consists of a DC stabilized power supply and a testing section. All testing processes are automatically controlled by the microcontroller after being selected by buttons, ensuring reliable and stable operation of the instrument. Suitable for rapid measurement of DC resistance of various types of transformers.  

Main technical parameters

1. Test current: 10A, 20A, 40A
2. Measurement range: below 4 Ω
3. Resolution: 1 μ Ω
4. Accuracy: 0.2 level
5. Environmental temperature: -20 ℃~+45 ℃;
6. Environmental humidity: ≤ 80%
7. Working power supply: AC220V ± 10% 50Hz
8. Dimensions: 300 × 200 × 120mm (excluding outer packaging box)
9. Weight: 10kg