• Extech MG500 Digital High Voltage Insulation Tester

Tests voltage up to 10kV and measures Insulation Resistance to 500GOhm

The MG500 is a digital high voltage insulation tester that tests voltage up to 10kV and measures insulation resistance to 500GOhm. The MG500 has a CAT III 300 Volt safety rating. This product is complete with a year warranty, built-in heavy duty carrying case with cover, test leads, alligator clips, and 8 x C batteries.


Digital High Voltage Insulation Tester Features:

  • High test voltages up to 10kV with Insulation Resistance to 500GOhm
  • Polarization Index (PI) measurement
  • Dielectric Absorption Ratio (DAR) measurement
  • EnerSave™ limits test duration to 10 seconds to save energy
  • Complete with built-in heavy duty carrying case with cover, test leads, alligator clips, and 8 x C batteries



Specifications                                    Range
Insulation Resistance              800kΩ to 500GΩ ( Autoranging )
Resolution                                 1kΩ
Basic Accuracy                          ±5%
Test Voltages                             500VDC to 10kVDC (adjustable in 500V steps)
Preset Buttons                          1kV, 2.5kV, 5kV, 10kV
Polarization Index                     Yes
Dielectric Absorption Ratio     Yes
Voltage Output Warning           Yes
Automatic Discharge                 Yes
Dimensions                                13x10.2x6.3" (330x260x160mm)
Weight                                         7.9lbs (3.6kg)


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Extech MG500 Digital High Voltage Insulation Tester


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