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HVT-70/50-70kV Manual AC DC Hipot Tester

Manual AC DC Hipot Tester

Portable high-voltage test system HVT-70/50 DC/AC HIPOT is an effective and cost efficient solution for high-voltage testing of solid dielectrics with low and medium electric capacitance (power cables, switchgear, surge arresters, busbars, insulators, etc.) with DC (rectified) voltage up to 70 kV and high voltage testing of other objects with AC voltage up to 50kV RMS at industrial frequency (f = 50 Hz).

Output voltage type is selected by a simple turn of a switch on the control unit-no additional equipment installation is required.

The system comprises of two separate modules - a control unit and a high-voltage unit. The control unit is powered from industrial mains and used to control the high-voltage unit from a safe distance. Output voltage and current are displayed on the reliable and easily readable analog pointer indicators. The high voltage unit contains a step-up transformer with oil insulation.

The system features an overcurrent and overvoltage protection and is equipped with a built-in automatic grounding bar

Specifications
Product Specification

DC Testing Parameters

Voltage

Output level

Up to 70 kV

Full-scale measurement error

± 3 %

 

Current

Output level

Up to 15 mA*

Measurement ranges

  • 0 … 1 mA**
  • 0 … 15 mA

Full-scale measurement error

± 3 %

 

 

AC testing parameters

Voltage

Output level

Up to 50 kV RMS

Full-scale measurement error

± 3 %

 

Current

Output level

Up to 40 mA RMS*

Measurement range

0 … 45 mA

Full-scale measurement error

± 3 %

Load capacitance in AC mode @ rated output voltage

Up to 1.6 nF

 

  Safety

 

Protection

  • Over-voltage tripping
  • Over-current tripping
  • Automatic grounding bar

 

Power supply and consumption

Supply voltage

230 V ± 10 %, AC

Supply frequency

50 Hz (60 Hz option)

Power consumption

Up to 3 kVA

Current consumption

Up to 10 A @ 230 V

 

 Physical

CU dimensions, H × W × D

265 × 349 × 240 mm

CU weight

13 kg

HVU dimensions, H × W × D

500 × 360 × 310 mm

HVU weight

35 kg

Features
Features
  • DC & AC test modes
  • Overcurrent and overvoltage protection
  • Safe two-module composition
  • Simple control
  • Portable design
  • Built-in automatic grounding bar
 
 
FAQ
FAQ
Frequently Asked Questions (5 answered questions)
0.01mA

Person name: Asian

HVTS HIPOT allows set Voltage and current limits and Voltage ramp rate.
In AUTO control mode there is a shortcut to further limit the test voltage within the boundaries of the selected pre-set, allowing testing upto desired voltage levels eg 10kV or 40kV
Ramp up can be set in range 0.5 … 4.0 kV/s, step 0.5 kV/s.

Person name: Asian

Ripple is automated in HVTS thanks to its design.
HVTS automatically adjusts the position of internal voltage regulator if the voltage from the mains fluctuates by more than 1.5V (higher or lower from the moment test was started and output voltage was raised), so the output voltage will be as stable as possible. it will adjust Voltage regulator position 1 turn of the coil up or down that is equal to approx. 0.5kV of output. Accordingly, in the AC mode your ripple is less than 2% ; In case of DC Max value will less than 1%.

Person name: Asian

Withstand or hipot testing is used to evaluate the condition of as example cable insulation during installation, acceptance, or maintenance testing or as another example capability of a material substrate which is to be used in an electrical environment to function upto its rated voltage.

Person name: Asian

HVTS Hipot provides a Digital display incorporating both volt and current readings. Readings are displayed as values and can also be emulated per user option as an analog type display on the LCD.

Person name: Asian

 
 
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Product Info Downloads

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