RS025-Y voltage transformer error tester is equipped with standard voltage transformer with the same transformation ratio as tested voltage transformer, and its precision degree is 0.02 class, which can accurately measure transformation ratio and no-load error of the testing voltage transformer. Then combine with impedance and admittance testing results to calculate voltage transformer error. It has wide measurement range, which is able to expand to 6kV/100V-220kV/100V.

1. RS025-Y voltage transformer error tester is integrated with functions of measuring voltage transformer error by method of error characteristics simulation and measuring voltage transformer error by method of potential difference, facilitating metering devices to conduct field verification on site.

2. There is no need to use a standard voltage transformer, voltage booster, load box and voltage regulating control box to verify voltage transformer on site, and extremely simple test wiring and operation are used to verify electromagnetic voltage transformer, which greatly reduces working intensity and improves working efficiency, and facilitate to develop field verification of transformer.

3. RS025-Y voltage transformer error tester is equipped with standard voltage transformer with the same transformation ratio as tested voltage transformer, and its precision degree is 0.02 class, which can accurately measure transformation ratio and no-load error of the testing voltage transformer. Then combine with impedance and admittance testing results to calculate transformer error.

4. Wide measurement range, able to expand to 6kV/100V-220kV/100V.

5. With the functions of testing transformation ratio, internal DC resistance and voltage load box of voltage transformer.

6. With function of testing dual-winding voltage transformer, with two load boxes.

7. It has 640×480 high-resolution large-screen LCD display, humanized interface and operation design. And a touch screen is used to facilitate operation which makes operation more convenient and faster.

8. The accurate software algorithm has further improved accuracy of measuring data.

9. Able to intelligently judge external wiring state, point out wiring error, transformation ratio, polarity error, etc.

10. Automatically round off testing data, determine whether it exceeds out-of-tolerance which will be displayed through counter-black, which makes transformer data characteristics intuitive and clear.

11. Directly issue field verification conclusion of being qualified or not.

12. Large-scaled memory unit can preserve 1000 sets of field testing data.

13. Equipped with printer, able to print testing data on site.

14. Engineering plastic mold machine box has vibration resistance and pressing resistance, which ensures safety of operators and equipment for field high-voltage test.