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HV Hipot Electric Co., Ltd.

Very Low Frequency AC Hipots, Vlf Cable Testing, Vlf Hipot Instruments manufacturer / supplier in China, offering VLF Hipot Test Set, Automatic AC Hipot Test Set, Ohmmeter — — Contact Resistance Test Set GDHL-100 and so on.

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VLF Hipot Test Set

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Wuhan, China
Production Capacity: 2000PCS/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GDVLF Series
  • Output Mode: Single Connect or Tandem-Line
  • Size& Weight: Controls: 360mm X250mmx 210mm, 6kg
  • Transport Package: Wooden Case
  • Origin: Wuhan China
  • Maximum Output Voltage: 30/50/60/80kv
  • Vlf Test Frequencies: Selectable 0.1 Hz, 0.05Hz, 0.02 Hz
  • Trademark: HV Hipot
  • Specification: ISO, SGS
  • HS Code: 9030339000
Product Description
VLF Hipot Test Set
General introduction
VLF means 'Very Low Frequency' and 0.1Hz to 0.02Hz is considered to be very low frequency, used as a AC output tester. Although the frequency is very low, it is still an alternating current with polarity reversals every half cycle. At 0.1 Hz output, rather than 60Hz, it takes 600 times less current and power to apply an AC voltage to a capacitive load, like a long cable.

The GDVLF Series of VLF-AC hipots apply the device with a microprocessor controlled, which control voltage automatically, and can also be adjusted manually in the process of automatic voltage boost. Our advanced electronic design is more convenient for you to use VLF hipots available. A big LCD screen and onscreen instruction system can display output Sinusoidal while built-in thermal printer can print the test report, easy to operate.

If the output voltage exceeds the limit users set, the instrument is supposed to shut-down itself, react within 20ms;
The high-low voltage dual protection exist in the design, so automatic protection can be made according to the set limit of low and high voltage;
If the current on low voltage side exceeds the load current, the instrument is supposed to shut-down itself, react within 20ms;
Using high&low voltage closed loop negative feedback control circuit, so there is no capacitive rise effect in the process of output;
A high voltage output protective resistor is provided in the voltage boost body, no need to connect resistor outside;
Split/Whole equipment as customer's requirement.

Maximum  Output  Voltage30/50/60/80KV
Output  ModeSingle  Connect  Or  Tandem-line 
Maximum  Load  Capacity,   VLF30KV    1mF  @  Up  to  5.5uF  at  reduced  frequency
50KV    1mF  @  Up  to  5uF  at  reduced  frequency
60KV    1mF  @  Up  to  5uF  at  reduced  frequency
80KV    1mF  @  Up  to  2.5uF  at  reduced  frequency
VLF  Test  FrequenciesSelectable  0.1  Hz,   0.05Hz,   0.02  Hz
(Additional  Frequencies  available  upon  request)
  Size& Weight30kVControls:   360mm  x250mmx  210mm  , 6kg
HV  Tank:   325mm  x175mm  x  385mm,   25kg
50kV Controls:   360mm  x250mmx  210mm  , 6kg
 HV  Tank:   370mm× 240mm× 390mm  ,   45kg
60KV Controls:   360mm  x  250mm  x  210mm      , 6kg
HV  Tank:   315mm  x  180mm  x  450mm  x2  ,   30kg  & 27kg
80KV Controls:   360mm  x250mmx  210mm  , 6kg
HV  Tank:   370mm× 240mm× 390mm  ,   48kg  ;
 315mm  x  180mm  x  450mm  ,   27kg;          
Equipment  Accessories    (available  upon  request)Discharge  rod  x  1   
Capacitor  x  1 
high  voltage  wire  x  1  (7.6m  )
Low  voltage  wire  x  1  (2.5m)
  Ground  Cables  x  1   
Interconnect  cable  x  1  (2m)
N. W30kV 46kg
    Packing30KVMaterial:     Wooden  case
526mm  x  446mm  x  801mm  ,   17kg
50KVMaterial:     Wooden  case
606mm  x  606mm  x  811mm  , 17kg
60KVMaterial:     Wooden  case
526mm  x  446mm  x  841mm  , 17kg
80KVMaterial:     Wooden  case
606mm  ×   606mm  × 1220mm  , 17kg
G. W30KV      63kg
50KV    83kg
60kV    101kg
80KV    12
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