• Extech 380363 Digital High Voltage Insulation Tester

Autoranging insulation measurements to 10MOhm plus manual datalogging:

This Extech insulation tester measures up to 10GΩ with 250V, 500V and 1000V Test Voltages. Features include: Lo-Ohms for testing connections, analog bargraph for viewing trends, AC/DC Voltage measurement to 999V, manual data record/recall function (9 sets), and live circuit display warning and beeper. Can be used to test motor, transformer windings, instruments, and appliances, check for moisture in wire and cable assemblies, safely evaluate a new wiring installation, and check for carbon tracking in breakers, relays, and switches. Extech Insulation Testers offer high sensitivity to assure reliable monitoring of low resistance motor windings. Complete with carrying case, test leads, and 6 x AA batteries.


Digital High Voltage Insulation Tester Features:

  • 250V, 500V and 1000V Test Voltages
  • Measure Insulation Resistance to 10GOhm
  • Large LCD display with analog bargraph
  • Lo Ohm function for testing connections
  • Automatic discharge of capacitive voltage charges
  • AC/DC voltage measurement up to 999V
  • Manual data record and read function (9 sets)
  • Live circuit display warning and beeper


Specifications                                 Range
Insulation Resistance            4M , 40M , 400M , 4000M , 10G
Max Resolution                      1k
Basic Accuracy                       ±3%
Insulation Test Voltages       250V, 500V, 1000V
AC Voltage Test                      Yes
Low Resistance Test              Yes
Power source                         6 x AA batteries
Dimensions                             9.3 x 4.6 x 2.1" (235 x 116 x 54mm)
Weight                                    1.15lbs (520g)


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Extech 380363 Digital High Voltage Insulation Tester


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