1. Single power supply 220AC, safer and more reliable to use (completely abandon the dangerous 380V live wire);

2. Single unit output 2500V/1000A;

3. Can test transformers with 5A/5A—25000A/5A, 5A/1A—5000A/1A;

4. Only need to set test voltage and current, the device will automatically and quickly complete the test, no training required, easy to master;

5. Single unit output has large capacity, full functions, high precision, and unique performance;

6. 320×240 large LCD display, full Chinese graphical interface;

7. Uses imported rotary mouse, setting test values is faster and simpler;

8. During testing, the volt-ampere characteristic curve can be directly displayed, with clear graphics, intuitive and convenient;

9. Comes with a fast printer, supports on-site printing of test results;

10. Comes with a large-capacity memory, can save 1000 sets of test data, not lost after power failure, can be accessed at any time;

11. USB communication interface, convenient for connecting new laptops, can upload test data for editing, saving, or printing;

12. Integrates multiple instrument functions into one, easily achieving multiple uses with one machine, effectively improving work efficiency and reducing labor intensity.

13. Supports offline and online testing

14. Power supply 380AC and 220AC automatic identification only requires digital setting, set the maximum test voltage, maximum current, and step size, the device will automatically increase voltage from zero step by step. The volt-ampere characteristic curve can be automatically tested and plotted (volt-ampere characteristics, 5% or 10% error curve)

Technical Indicators




1. Input voltage: AC 220V or 380V, 50HZ, automatic identification of input voltage.



2. Working environment temperature: 0~40℃.

3. Input voltage: When input AC 220V, output 0-500V.

When input AC 380V, output 0-1000.

Current: Maximum instantaneous current, 600A when measuring ratio.

When input AC 220V, output 0-400A.

When input AC 380V, output 0-600A.

15A during volt-ampere characteristic test.

4. Digital voltmeter measurement range: 0-9999V; resolution: 0.1V.

When used as current display: 0-9.9A; resolution: 0.1mA.

5. Digital ammeter measurement range: 0~3000A; resolution: 0.01A.

6. Error: 1≤1%, U≤1%.

7. When measuring CT ratio, the ratio value can be automatically calculated, and data and calculation results can be printed.

8. When measuring volt-ampere characteristics, store and print 20 sets of current and voltage values and volt-ampere characteristic curves.

9. External dimensions: length×width×height=470×340×260mm3.