GD-501 Insulation Resistance Tester-- Thanks for choosing HV HIPOT

GD-501 Insulation Resistance Tester


GD-501 is designed to test on insulation resistance, DC voltage, AC voltage, and is suitable to test the insulation resistance of transformer, motor, lead, switchgear and various electrical equipments.


  • LCD display. Max. Reading: 1999.
  • Low battery alarm and overload indicator.
  • Short circuit protection.
  • Auto discharging function.

  • Humanized and portable designation.

  • High accuracy and stability.

Technical Specifications

Insulation resistance test

  • Rated voltage250V, 500V, 1000V
  • Test range: 3MΩ~2000MΩ (Alarm when less than 4.3MΩ means bad insulation
  • Open circuit voltage: DC 250V±10%, DC 500V±10%, DC 1000V±10%
  • Rated test current:
  • 250KΩ: 0.9mA~1.1mA
  • 500KΩ: 0.9mA~1.1mA
  • 1MΩ: 0.9mA~1.1mA
  • Short circuit current: <1.8mA
  • Accuracy range: 3MΩ~99MΩ: (3%+5digit); 100MΩ~2000MΩ: (5%+5digit)

Voltage test

  • DC measuring range: 30V~1000V
  • AC measuring range: 30V~750V (50Hz/60Hz)
  • Resolution: 1V
  • Accuracy: ±(2%+3digit)

Working ambient:

  • Temperature: 0℃ +35℃
  • Relative humidity≤ 75%
  • Altitude: 2000m

Storage ambient

  • Temperature: -20℃ +60℃
  • Relative humidity≤ 80%

Total weight0.5 kg.

Overall dimension150x100x71(mm).

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