YNHYG-A Series IEC Standard Transformer Oil BDV Tester
- IEC Standard Transformer Oil BDV Tester is a full self-reacting device.
- It is developed according to the requirements in International IEC-156 and International GB507-86 “Transformer Oil Dielectric Strength Mensuration”.
- The instrument adopts single chip as the leading part.
- It uses the method of “first setting and then testing”.
- The whole process is controlled by automatic microcomputer.
- It is operated simply and used conveniently.
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Features of YNHYG-A Series IEC Standard Transformer Oil BDV Tester
- Automatic detection.
- Tiny TPU-A panel printer is adopted for automatic printing out.
- Testing times, stirring and stationary time is adjustable. Sound control and light control remind of continuous print and nonprint.
- Adopts full automatic magnon.
YNHYG-A Series IEC Standard Transformer Oil BDV Tester Parameters
Power supply | AC 200V-240V 、50HZ ±5% |
Testing range | AC 0-80KV |
Rating current | 10.5mA |
Accuracy | 1.50% |
Speed of the voltage regulation | 2.5KV/S±10% |
Presetting options | Testing counts: 1-9 |
Time of stirring: 0 sec to 1:39 sec. | |
Time of Stillness: 0 sec to 10:39 sec. | |
Operation temperature | 0℃-35℃ |
Relative humidity | ≤75% |
Oil cup space | 2.5mm (diameter of the oil cup’s clearance gauge ) |
Volume | 415×315×315mm3 |
Weight | 28kg |
The machine size and weight will change slightly due to different configurations


In addition to oil tester, YUNENG also produces and sells various transformer oil filters, lubricating oil filters, etc., and has been welcomed and loved by customers from all over the world.
After-Sales Service

- 1-year guarantee for producing high quality(People-damaged components are charged).

- Lifelong upkeep and spare parts supply.

- Freely design customized products according to customer requirements.

- Free training on equipment installation and operating procedures for your employees in need.