25KV, 30KV & 40KV Surge Tester

25KV, 30KV & 40KV Digital Surge Tester

Model:  D-25K, D-30K, D-40K

The Digital Surge Tester is designed specifically to test the coils and windings of High range AC Rotating machines ranging up to 13.8KV. The Surge Tester has an Embedded Industrial PC with 8 inch Touch screen Display and software to Store, Recall and Print the Test Reports.

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  • Infinite model storage capability
  • Job work management area for motor data reference
  • Colour coded waveforms for better analysis
  • LABVIEW software to store, print and recall surge test waveforms & reports
  • Graphical and numerical representation of %error between the waveforms
  • Automatic report generation in MS word
  • Target voltage indication based on motor ratings


  • Adjustable Volts/div and Time base
  • Colour coded waveform display
  • Surge test peak voltage indicator
  • Graphical and numerical %error display
  • Target voltage indicator based on motor rating
  • Test result lamp indicator
  • Save, recall and print waveforms & reports


Test Specifications D-50K
Pulse Current 2500 Amps (Max)
Pulse Energy 158.0 joules
Capacitance 0.125 µF
Impulse Rise Time 0.1-0.2 µS (In accordance with IEEE standard)
Impulse Repetition Rate 1.0 Hz (1 Pulse per second)
Min. Test Object Inductance 24 µH
Display 8 inch Touch screen colour Display
Vertical Senstivity 1750V, 3500V, 7000V, 17500V
Sweep/Time Base 4 µS — 10 mS
Operating Voltage & Frequency  230 V (50/60 Hz) or 110 V (60 Hz)
Power consumption 1000 Watts (Max)
Dimensions 570 (w) x 1050 (H) x 660 (D) mm Approx
Gross Weight 180 kgs
Net Weight 150 kgs


  • Zero start lock for operator safety
  • Footswitch for hands free operation
  • Highly Sensitive fault detection capability
  • Test leads insulated upto 80KV rating
  • 8 inch touch screen colour display
  • Leads energized warning indicator
  • Printer can be connected to tester via USB for direct printouts



This tester is widely used for testing Newly and Rewound Motors. It helps in finding and predicting the faults in HT Motors & Generators before it actually happens.

  • Stators of Motors and Generators
  • HT coils



  • 8 inch touch screen display
  • Industrial grade CPU (Intel Dual Core)
  • 2GB RAM / 240GB SSD
  • Windows 10 / MS Office / Anti Virus
  • Dust proof / Water resistant / 0-60O C
  • 2 USB ports, VGA port
  • Wireless keyboard & mouse



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