Wuhan Goldsol Co. Ltd| Manufacturer
Wuhan Goldsol Co. Ltd

China Manufacturer with main products: Very Low Frequency High Voltage Generator (VLF tester) which can be used to measure power cables, huge electric generator, huge transformer,...

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VLF Hipot Tester

Supply Ability: 30 Set/Sets per Month
Shipping: 7-10 days
Payment Terms: T/T(Bank Transfer)
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Packaging Details: ALuminum alloy box inside and plywood case outside

Specifications

The VLF testers (Generator) are suitable for
testing cables, transformers, switchgear,
rotating machinery, and other
electrical apparatus. 

VLF ADVANTAGES:

· Easiest to use Fully automatic microcontroller
· Built-in printer
· True sine wave output
· Real-time display of actual output waveform
· Ergonomic, menu guided, large backlit LCD
· Storage of test results for later retrieval and print.
· Over voltage and current protected
· Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz
· Data of current, voltage and waveform directly sampled at HV side.
· AC testing does not degrade good cable insulation
· Harmful space charges are not injected into the cable insulation
· No traveling waves are generated during testing
· Rugged and reliable design less prone to failure from transients

SPECIFICATIONS
 
 
Type
Output
Voltage/Current
Load Capacity
Control Unit
Booster
Fuse Tube
 
Frequency/Capacitance
Dim.
(cm)
Wt
(kg)
Dim.
(cm)
 Wt
(kg)
VLF-30/1.1
 30KV/20mA
0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
28×37×22
4
33×18×34
25
5A
VLF-40/1.1
 40KV/30mA
0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
28×37×22
4
35×20×36
35
6A
VLF-50/1.1
 50KV/40mA
0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
 28×37×22
4
37×24×39
45
7A
VLF-60/1.1
 60KV/50mA
0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
 28×37×22
4
33×18×34
33×18×34
25+25
10A
VLF-70/0.5
 70KV/55mA
0.1 Hz, ≤0.5µF
0.05Hz, ≤1.0µF
0.02Hz, ≤2.5µF
 28×37×22
4
 
33×18×34
35×20×36
25+35
10A
VLF-80/0.5 
 80KV/60mA
0.1 Hz, ≤0.5µF
0.05Hz, ≤1.0µF
0.02Hz, ≤2.5µF
28×37×22
4
33×18×34
37×24×39
25+45
12A

Input
: 220 ± 10% Volts AC, 50 Hz
Output-Voltage AC
: 30kV / 40kv / 50kV / 60kv/ 70kv / 80kV 
Output frequency
: 0.1Hz, 0.05Hz, 0.02Hz.
Stability of frequency
: Fluctuation < 0.5%
Measurement accuracy
: ±3%.
Positive and negative voltage peak errors
: ≤3%.
Voltage waveform distortion
: ≤5%
Protection
: Mains fuse.
  Over voltage protection.
  Over current protection.
  Protective HV resistor connected inside.
Construction
: temperature Indoor and outdoor : -10°C to + 40ºC.
  Humidity:≤85%
Ambient conditions of use
: 1) Cable for mains supply: 1 number.
 2) Interconnecting cable: 1 number.
 3) H.V. Test lead: 1 pair.
 4) Discharge rod: 1 number.
 5) Operating manual: 1 number. 

 



 

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