Extech Digital Insulation Tester High Voltage - 380395

In stock

This high voltage digital insulation tester is specially designed to test insulation resistance up to 60G ohms. Also with the ability to test up to 5000V. With a dual bar graph and LCD display.

Extech Digital Insulation Tester High Voltage - 380395

High test voltages up to 5kV with insulation resistance to 60GΩ


  • Test voltages of 500V, 1000V, 2500V and 5000V
  • Large 6000 count display with bar graph and backlight
  • AC and DC voltage from 0 to 600V with MAX/Min, Peak and Relative Functions
  • Polarization Index (PI) measurement
  • Dielectric Absorption Ratio measurement
  • 1 to 15 minute timer function for insulation resistance measurements
  • Auto-ranging and timer measurement function
  • Indication of output voltage and discharge voltage
  • Auto-discharge and voltage output warning function
  • Auto power off and battery check
  • Comes complete with test leads, 8 C batteries and a heavy duty carrying case

Insulation capabilities are based on how much current they resist. Knowing how much resistance a certain insulator has is vital for designing a safe and efficient electrical system. This value becomes harder to test as you increase the voltage as the requirements for an insulator are increasingly larger and more efficient.

The Extech Digital Insulation Tester for High Voltage is designed specially for testing high voltage and high resistance components. With a voltage test of up to 5000V and an insulation resistance test up to 60GΩ. This instrument goes where other meters can’t with high power testing potential. The 380395 Digital Insulation Tester with High Voltage User Manual is attached to this page to answer any further questions.


  • Test Voltage: 500V/1000V/2500V/5000V
  • Insulation Resistance: 0 to 6MΩ, 0 to 60MΩ, 0 to 600MΩ, 0 to 6GΩ, 0 to 60GΩ
  • Accuracy: ±2.5% of reading
  • AC/DC Voltage: 0 to 600V
  • Accuracy: ±1% of reading
  • Resistance: 0 to 600Ω
  • Accuracy: ±1.5% of reading
  • Continuity: 50Ω
  • Power: Eight type C batteries
  • Dimensions: 7.8 x 5.8 x 3.4" (198 x 148 x 86mm)
  • Weight: 3.2lbs (1438g)

Unit Ship Weight: 3.5 lbs

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