The KDHG220P transformer tester device adopts high-performance DSP and ARM, and good manufacturing technology, ensuring stable and reliable product performance, complete functions, high degree of automation, high testing efficiency, and is at a high level in China. It is a professional testing instrument for transformers in the power industry.
 

1. Low frequency method for testing CT/PT excitation curve and 10%/5% error curve
2. Voltage method for testing CT/PT ratio, polarity, CT angle difference, ratio difference
3. Suitable for testing various CT/PT (including casing CT, transient CT, GIS combined CT)
4. Automatically record saturation hysteresis curve
5. CT secondary external circuit load
6. Support multi-channel expansion box
7. Support 150A external converter, flow rate and variable ratio verification
8. 5.7 "graphic reflective LCD, visible under sunlight
9. Using a rotating optical mouse for operation, the panel comes with a printer
10. The device can store 3000 sets of test data without loss in case of power failure
11. Easy to test, lightweight and portable, weighing only 9kg

Output voltage 0~180V (RMS)
Output current 0~12A (RMS), peak value 36A
Voltage measurement accuracy ± 0.05%
CT ratio measurement range 1~30000
PT ratio measurement range 1~10000
Variable ratio measurement accuracy ± 0.05%
Phase measurement accuracy ± 2 '; Resolution 0.2 '
The measurement range of secondary winding resistance is 0.1~300 Ω; Resolution of 0.1m Ω; Accuracy 0.1% ± 1 m Ω
AC load measurement range 0~300VA; Resolution of 0.01VA; Accuracy 0.1% ± 0.1 VA
Boosting current output 0~150A
Input power supply voltage AC220V ± 20%, 50HZ
Working conditions: temperature -10 ℃~50 ℃, humidity ≤ 90%