1. Advanced technology: Using digital frequency conversion technology, microcomputer controlled, boost, buck, measurement, protection and full automated testing process;
2. Easy to operate: Wiring is simple, fool-operation;
3. Comprehensive protection : Multiple protection (overload protection, high and low voltage over current protection), prompt action (action time ≤ 20ms), is a safe and reliable instrument;
4. Safe and reliable: the controller and high-voltage generator voltage connection via low voltage, photoelectric control, safety and reliability;
5. Using a high-pressure closed-loop negative feedback control circuit, the output capacity without capacity boost effect;
6. Fully equipped: LCD display, automatic storage, automatic printing;
7. Large test range: 0.1Hz, 0.05Hz and 0.02Hz multi-frequency selection, large testing range;
8. Small in size, light in weight: is conducive to outdoor work.
| Model | Rated Voltage | Load Capacity | Application |
| VLF-30 | 30kV (Peak Value) | 0.1Hz,≤1.1μF | 10kV cable,electric generator, etc |
| 0.05Hz,≤2.2μF | |||
| 0.02Hz,≤5.5μF | |||
| VLF-40 | 40kV (Peak Value) | 0.1Hz,≤1.1μF | 13.8kV cable,electric generator, etc |
| 0.05Hz,≤2.2μF | |||
| 0.02Hz,≤5.5μF | |||
| VLF-50 | 50kV (Peak Value) | 0.1Hz,≤1.1μF | 15.75kV cable,electric generator, etc |
| 0.05Hz,≤2.2μF | |||
| 0.02Hz,≤5.5μF | |||
| VLF-60 | 60kV (Peak Value) | 0.1Hz,≤1.1μF | 18kV cable,electric generator, etc |
| 0.05Hz,≤2.2μF | |||
| 0.02Hz,≤5.5μF | |||
| VLF-80 | 80kV (Peak Value) | 0.1Hz,≤0.5μF | 35kV cable,electric generator, etc |
| 0.05Hz,≤1.0μF | |||
| 0.02Hz,≤2.5μF | |||
| VLF-90 | 90kV (Peak Value) | 0.1Hz,≤0.5μF | 35kV cable,electric generator, etc |
| 0.05Hz,≤1.0μF | |||
| 0.02Hz,≤2.5μF |
Also called as:
VLF high voltage generator, programmable VLF frequency high voltage generator, VLF frequency AC high voltage testing equipment, VLF frequency withstand testing equipment, VLF frequency generator.