Gold Member Since 2007
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Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.

Vlf, Very Low Frequency Hipot Tester, Vlf AC Tester manufacturer / supplier in China, offering Vlf AC Hipot Tester/ High Pot Tester, Wet Wheel Wear Tester of Asphalt in The Slurry Mixture, ASTM D7496 Bitumen and Bituminous Mixtures Saybolt Viscometer and so on.

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Supplier Homepage Product Electrical Testing Equipment Vlf AC Hipot Tester/ High Pot Tester

Vlf AC Hipot Tester/ High Pot Tester

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Chongqing, China
Production Capacity: 300 Set/Sets Per Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: VLF
  • Output Frequency: 0.1Hz, 0.05Hz, 0.02Hz.
  • Max Voltage Output: 30kv~80kv
  • Measurement Error: < 3%Rdg+0.3%Fs
  • Power Supply Fuse Tube: 10A
  • Weight: Controller: 4kg Booster: 25kg
  • Transport Package: Standard Wooden Case and Carton
  • Origin: Chongqing, China (Mainland)
  • Output-Voltage: 30kv
  • Stability of Frequency: Fluctuation < 0.5%
  • Certificate: Ce
  • Voltage Wave Form Distortion: <5%
  • Warranty: 1 Year
  • Trademark: GOLD
  • Specification: 28*37*22CM
  • HS Code: 9013809000
Product Description
»  VLF AC Hipot Tester/ High Pot Tester is suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.

» VLF AC Hipot Tester/ High Pot Tester combines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost. The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output sinusoidal wave form. The printer outputs test reports.

 Main Features:
1).  Data of current, voltage, wave form can be directly sampled at high voltage side, so the data is real

and accurate.

2).  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.

3).  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.

4). 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.


Technical Index:
1Max voltage output: refer to table 1
2Output frequency: 0.1Hz, 0.05Hz, 0.02Hz
3Measurement error < 3%RDG+0.3%FS
4Positive and negative voltage peak errors < 3%RDG+0.3%FS
5Power supply:AC220V ± 10%, 50Hz/60Hz
6Voltage wave form distortion: <5%
7Environment temperature: 0~50°C
8Humidity: ≤85%RH

Model and Technical Parameter:
Model No.Rated Voltage/CurrentLoad Carrying CapacityProduct Structure and Weight
VLF-3030kV/20mA (Peak)0.1Hz, ≤ 1.1µ FController: 4kg  Booster: 25kg
0.05Hz, ≤ 2.2µ F
0.02Hz, ≤ 5.5µ F
VLF-5050kV/30mA (Peak)0.1Hz, ≤ 1.1µ FController: 4kg  Booster: 50kg
0.05Hz, ≤ 2.2µ F
  0.02Hz, ≤ 5.5µ F
VLF-8080kV/30mA (Peak)0.1Hz, ≤ 0.5µ F    Controller: 4kg   Booster Grade 1(30kV): 25kg Booster Grade 2(50kV): 50kg
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