Partial Discharge Testers

Configure / Request
Partial discharge tester PD 4020L
  • Plug-in 19" / 2 HU
  • Voltage measurement up to 5,500 V AC or 6,000 V DC
  • Pulse voltage measurement up to 6,000 V
  • Partial discharge inception and extinction voltage (PDIV/PDEV)
  • Repeated partial discharge inception and extinction voltage (RPDIV/RPDEV) with surge pulses
  • Two sensor types available to cover all application areas
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Surge tester ST 6600B
  • Desktop device
  • Surge voltage test: 200 - 6,000 V
  • Partial discharge measurement: 200 - 6,000 V
  • Impact energy: max. 0.25 J
  • Minimum inductance of the DUT: 10µH
  • Evaluation method: Area comparison, error area comparison, Corona quantity comparison, Corona number
Configure / Request
Surge tester ST 4000B
  • Desktop device 19" / 6 HU
  • Surge voltage test: 100 - 6.000 V
  • Surge capacity: 18 nF, optional: 40 nF, 100 nF, 200 nF
  • Evaluation method: Error area, differential error area, tolerance band method
  • High voltage test DC: 100 - 6,000 V / 10 mA 
  • Insulation measurement DC: 100 - 6,000 V / 10 GΩ / kV 
  • Resistance measurement (optional): 20 mΩ to 200 kΩ, max. 1A
  • Partial discharge measurement: 100 - 6,000V according to IEC 61934 Evaluation of inception and extinction voltages (PDIV, RPDIV, PDEV & RPDEV) 
  • Internal matrix: 4 phases + PE, 4-wire
Configure / Request
Surge tester ST 3820K
  • Plug-in 19" / 3 HU
  • Surge voltage test: 100 - 6.000 V
  • Surge capacity: 18 nF, optional: 40 nF, 100 nF , 200 nF
  • Evaluation method: Error area, differential error area, tolerance band method
  • Insulation measurement DC: 100 - 6,000 V / 100 GΩ/kV
  • High voltage test DC: 100 - 6,000 V / 10 mA 
  • Partial discharge measurement: 100 - 6,000 V, according to IEC 61934 Evaluation of inception and extinction voltages (PDIV, RPDIV, PDEV & RPDEV)
  • Internal matrix: L, N, + PE Guard