Mainly used for insulation strength testing of various electrical products, electrical components, and insulation materials, to assess the insulation level of the products, discover insulation defects under testing, and test the ability of the test samples to withstand overvoltage. ‌

1. Equipped with high voltage, low voltage current, zero position indication, power indication, working indication, and timing indication;
2. Equipped with overcurrent protection, zero start protection, sound and light language alarm reminder
3. Adopting a new type of time relay with a wider timing range (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, with stable performance and strong anti-interference ability
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. This product has a small volume and light weight (20% -65% lighter than oil immersed test transformers of the same grade)
10. Clean, oil-free, no maintenance required;

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. SF6 gas filled 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
● 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
● SF6 insulation gas content: 99.999% (national standard)
● Gas pressure: 0.4Mpa
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 the AC current, and the rated DC current is 0.7 times the AC current.