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220V 50/60HZ VLF High Voltage Generator - Advanced Digital Technology from China Suppliers and Factory
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Features
- Large Touch Screen: Adopts 7-inch touch screen and the latest ARM7 microcontroller.
- Advanced Technology: Using digital frequency conversion technology, microcomputer control — step-up, step-down, measurement, protection and other testing processes are fully automated.
- Easy to Operate: The wiring is simple and fool-proof operation.
- Comprehensive Protection: Multiple protections (overvoltage protection, high and low voltage side overcurrent protection), rapid action (action time ≤ 10ms), the instrument is safe and reliable.
- Safe and Reliable: The controller and the high-voltage generator are connected with low voltage, photoelectric control, safe and reliable to use.
- High and Low Voltage Closed Loop Circuit: High and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity increase effect.
- Complete Configuration: Capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing.
- Large Test Range: 0.1Hz, 0.05Hz and 0.02Hz multiple frequency selection, large test range.
- Small Size and Light Weight: Very conducive to outdoor operations.
- Chinese-English Switching Function: Chinese-English switching, using imported high-voltage electronic switch to switch polarity.
- High-Speed AD Acquisition Circuit: Equipped with USB background management software.
- Longer Life and Lower Failure Rate.
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Technical Specifications
| Output Frequency | 0.1Hz, 0.05Hz, 0.02Hz |
| Load Capacity |
0.1Hz — max 1.1μF 0.05Hz — max 2.2μF 0.02Hz — max 5.5μF |
| Measurement Accuracy | 3% |
| Voltage Positive & Negative Peak Error | ≤ 3% |
| Voltage Waveform Distortion | ≤ 5% |
| Conditions of Use | Indoor, Outdoor |
| Temperature | -10℃ ~ +40℃ |
| Humidity | ≤ 85% RH |
| Power Supply | 110V – 260V (± 5%) |
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Frequently Asked Questions
Q
What output frequencies does this VLF tester support?
The VLF tester supports three selectable output frequencies: 0.1Hz, 0.05Hz, and 0.02Hz, providing a large test range suitable for various cable testing applications.
Q
What is the maximum load capacity of this device?
The maximum load capacity depends on the selected frequency: at 0.1Hz it supports up to 1.1μF, at 0.05Hz up to 2.2μF, and at 0.02Hz up to 5.5μF.
Q
Can this VLF tester be used outdoors?
Yes. The device is designed for both indoor and outdoor use. Its small size and light weight make it especially convenient for field and outdoor operations.
Q
What safety protection features does this tester include?
The tester is equipped with multiple protection mechanisms including overvoltage protection, high-voltage side overcurrent protection, and low-voltage side overcurrent protection. The rapid action time is ≤ 10ms, ensuring safe and reliable operation.
Q
What are the operating temperature and humidity requirements?
The device operates within a temperature range of -10℃ to +40℃ and requires an ambient humidity of ≤ 85% RH for proper and safe operation.
Q
Does the device support data storage and printing?
Yes. The VLF tester features automatic data storage and automatic printing capabilities. It also comes with a USB interface and background management software for convenient data management and analysis.