1. It has high voltage, low voltage current, zero position indication, power indication, working indication, and timing indication.
2. Equipped with overcurrent protection, zero start protection, and audible and visual language alarm reminders.
3. Adopting a new type of time relay, the timing range is wider (1S-99H).
4. Adopting a new type of current relay, it is more precise and reliable, ensuring personal and equipment safety.
5. Adopting a combination of hardware and software anti-interference technology, the performance is stable and the anti-interference ability is strong.
6. The high-voltage coil of the test transformer is a cylindrical multi-layer tower, made of high-quality polyester enameled wire and high voltage insulation material.
7. It has the characteristics of light weight, small size, easy mobility, and superior performance.
8. The test transformer (above 5kVA) is equipped with movable iron wheels.
9. Not affected by harsh weather conditions, on-site handling does not require standing still for testing.
10. It can be used for AC and DC withstand voltage tests of electrical primary equipment under specified voltage, to assess the insulation strength of the test sample and discover insulation defects of the test sample.
11. The test transformer is equipped with capacitors, silicon stacks, and high-voltage DC microamperes of the same voltage level and capacity, which can be assembled into a DC high-voltage test device to measure high-voltage DC leakage current.

1. Console
●Rated capacity: 1.5-100kVA
●Rated output current: 7.5-232.5A
●Rated output voltage: 0-430V
● Input power supply: three-phase AC 380V ± 10% (single-phase AC 220V ± 10%); 50Hz±5 Hz
● Input current: 7.5-250A
●Timing length: 0~9999S (special mode can be used for long-term work)
●Voltage accuracy: ≤ 1.0% ± 1 word (F.S)
●Current accuracy: ≤ 1.0% ± 1 word (F.S)
●Explanation: If there are special parameter requirements, design and production can be carried out according to the user's technical parameters.
2. Insulated oil immersed test transformer
●Rated capacity: 1.5-100kVA
●Low voltage side voltage: 400V
●Low voltage side current: 7.5-250A
●High voltage side AC output voltage: 0-300kV
●High voltage side AC output current: 0-3000mA
●High voltage side DC output voltage: 510KV
●High voltage side DC output current: 2140.3mA
●Measurement ratio: 1000:1
●Impedance voltage: 4-9%
●Output voltage waveform: sine wave
●Variable ratio error: ＜ ± 1%
● Waveform distortion rate: ≯ 3%
● Allowable continuous full load working time: ≮ 1-2 hours (temperature rise of 50 ℃)
● No load loss: 0.2% to 0.4.0%
●Voltage measurement accuracy: 1.0% FS ± 3 words
●Current measurement accuracy: 1.0% FS ± 3 words
●Transformer insulation oil number: 25 insulation oil
The parameters of the dual-purpose AC/DC test transformer are as shown in the table above. The rated DC voltage in the DC parameters is 1.4 times that of the AC, and the rated DC current is 0.7 times that of the AC current