High Voltage Insulation Tester | S-36 VLF

High Voltage Insulation Tester S-36 VLF

High Voltage Insulation Tester | S-36 VLF

High Voltage Insulation Tester – Overview

The S-36VLF high-voltage insulation tester is a compact, robust and portable kit for testing medium voltage cables according to IEEE400, IEC 60502-2, CENELEC HD 620 and 621 and DIN VDE 0276/620 and 621. The test is carried out using the low electrical stress method, with a VLF (Very Low Frequency) voltage of 0.1 Hz. The VLF test is the fastest way to detect insulation damage. The S-36VLF instrument can test cables with plastic insulation (XLPE, PE-, EPR) as well as paper and oil insulation (PILC). Testing with DC voltage is also possible.

High Voltage Insulation Tester  – Features

  • Compact high-power VLF test device
  • Portable
  • Simple operation
  • Integrated breakdown detection
  • Integrated fault time detection
  • Fully automatic test sequence
  • Integrated timer 1-300 min with automatic tripping
  • Voltage measurement direct at HV output
  • Protective ground connection
  • High-voltage start key interlock
  • Protective circuit/indication in accordance. with EN 50191
  • Leakage current measurement during VLF test

Optional features

  • Customised test cables
  • Transport case
  • Data logging (USB stick) for VLF test sets
  • Frequency extension: 0.05 + 0.02 Hz
SKU: WMGBS36VLF Category:
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Description

High Voltage Insulation Tester | S-36 VLF

S-24 VLF S-36 VLF S-44 VLF (230 V) S-44 VLF (110 V) S-57 VLF
Index WMGBS24VLF WMGBS36VLF WMGBS44VLF WMPAS44VLF WMGBS57VLF
Power supply 230 V (±10%),10 A, 50/60 Hz 230 V (±10%),10 A, 50/60 Hz 230 V (±10%),10 A, 50/60 Hz 110 V (100 V…127 V),15 A, 50/60 Hz
230 V (±10%), 10 A, 50/60 Hz
Output voltage 0…24 kVRMS VLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…34 kV DC 0…36 kVRMS VLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…52 kV DC 0…44 kVRMS VLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC 0…44 kVRMS VLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC
0…57 kVRMS VLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC
Voltage waveshape
VLF similar sine-wave, symmetrical, with True RMS measurement similar sine-wave, symmetrical, with True RMS measurement similar sine-wave, symmetrical, with True RMS measurement similar sine-wave, symmetrical, with True RMS measurement
similar sine-wave, symmetrical, with True RMS measurement
DC direct voltage, negative and positive polarity direct voltage, negative and positive polarity direct voltage, negative and positive polarity direct voltage, negative and positive polarity
direct voltage, negative and positive polarity
Overcurrent trip (DC) 10 mA 10 mA 10 mA 10 mA 10 mA
Max. testable cable length, max. capacitance (VLF) up to 60 km (15 µF at 24 kVRMS, 0.02 Hz)* up to 60 km (15 µF at 18 kVRMS, 0.02 Hz)* up to 60 km (15.0 µF at 18 kVRMS, 0.02 Hz)* up to 60 km (15.0 µF at 6 kVRMS, 0.02 Hz)*
up to 60 km (15.0 µF at 18 kVRMS, 0.02 Hz)**
Max. load at max. output voltage (VLF) and 0.1 Hz 5 µF at 24 kVRMS 2.4 µF at 36 kVRMS 1.6 µF at 44 kVRMS 1.0 µF at 44 kVRMS
0.55 µF at 57 kVRMS
Discharge – integrated automatic discharge device max. 9000 J max. 12500 J max. 12500 J max. 12500 J max. 12500 J
Voltage measuring range -40…0…40 kV accuracy ±1% -60…0…60 kV accuracy ±1% -70…0…70 kV accuracy ±1% -70…0…70 kV accuracy ±1%
-70…0…70 kV accuracy ±1%
Current measuring ranges ±0…100 µA / 1 mA / 10 mA ±0…100 µA / 1 mA / 10 mA ±0…100 µA / 1 mA / 10 mA ±0…100 µA / 1 mA / 10 mA
±0…100 µA / 1 mA / 10 mA
Operating temperature -20…+45°C
-4…+113°F		 -20…+45°C
-4…+113°F		 -20…+45°C
-4…+113°F		 -20…+45°C
-4…+113°F		 -20…+45°C
-4…+113°F
Storage temperature -25…+70°C
-13…+158°F		 -25…+70°C
-13…+158°F		 -25…+70°C
-13…+158°F		 -25…+70°C
-13…+158°F		 -25…+70°C
-13…+158°F
Duty continuous operation continuous operation continuous operation continuous operation
continuous operation
PC interface USB stick USB stick USB stick USB stick USB stick
Construction in two parts: operation unit and high voltage unit in two parts: operation unit and high voltage unit in two parts: operation unit and high voltage unit in two parts: operation unit and high voltage unit
in two parts: operation unit and high voltage unit

High Voltage Insulation Tester | S-36 VLF

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