Active Member
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[China]
Address: 4F,Building 7,Optical Valley International Headquarters Industrial Park,No.62,Optical Valley Road,Wuhan,China
Contact name:
Wuhan Huaying Electric Power Tech & Science Co., Ltd |
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Digital Display AC Hipot VLF Test Set For 0.1Hz Cable AC Withstand Voltage Tester
Product Name: Very Low Frequency Tester
Equipment Description:
The VLF testers (Generator) are suitable for
Testing cables, transformers, switchgear,
Rotating machinery, and other
Electrical apparatus.
Models:
| Output | Load Capacity | Control Unit | Booster | Fuse Tube | ||
| Dim. | Wt | Dim. | Wt | |||
VLF-30/1.1 | 30KV/20mA | 0.1Hz ≤ 1.1uF | 28× 37× 22 | 4 | 33× 18× 34 | 25 | 5A |
VLF-40/1.1 | 40KV/30mA | 0.1Hz ≤ 1.1uF | 28× 37× 22 | 4 | 35× 20× 36 | 35 | 6A |
VLF-50/1.1 | 50KV/40mA | 0.1Hz ≤ 1.1uF | 28× 37× 22 | 4 | 37× 24× 39 | 45 | 7A |
VLF-60/1.1 | 60KV/50mA | 0.1Hz ≤ 1.1uF | 28× 37× 22 | 4 | 33× 18× 34 | 25+25 | 10A |
VLF-70/0.5 | 70KV/55mA | 0.1 Hz, ≤ 0.5µ F | 28× 37× 22 | 4 |
| 25+35 | 10A |
VLF-80/0.5 | 80KV/60mA | 0.1 Hz, ≤ 0.5µ F | 28× 37× 22 | 4 | 33× 18× 34 | 25+45 | 12A |
Specifications:
1. Input: 220 ± 10% Volts AC, 50/60 Hz, single phase.
2. Output-Voltage. 50KV
3. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz.
4. Stability of frequency: Fluctuation < 0.5%
5. Measurement accuracy: ± 3%.
6. Positive and negative voltage peak errors: ≤ 3%.
7. Voltage waveform distortion: ≤ 5%
8. Construction: In two units: Controller and Booster...
9. Ambient conditions of use: Temperature Indoor and outdoor: -10ºC
to + 50ºC.
10. Humidity: ≤ 85%
Features:
★ Data of current, voltage, wave form can be directly sampled at
high voltage side, so the data is real and accurate.
★ Overvoltage protection: If the output exceeds the set limit of
voltage, the instrument will shut-down to protect itself, the
actuation time is less than 20ms.
★ Overcurrent protection: it is high-low voltage dual protection in
the design, the accurate shut-down protection can be made according
to the set value at high voltage side; If the current on low
voltage side exceeds the rated current, the instrument will take
shut-down protection, the actuation time are both less than 20ms.
★ A high voltage output protective resistor is provided in the
voltage boost body in the design and this eliminates the need of
additional protective resistor connected outside
