Megger PAT100 Series


  • The PAT120 model has test groups available for Class I, Class IIand Extension/Power leads.
  • Fixed PASS limits.
  • Insulation testing at 500 V (default) or 250 V can be selected at the start of the test.
  • Leakage testing uses a “Substitute Leakage” also known as the “Alternative” method to remove the need for a mains supply during test. 


  • The PAT150 has additional tests available for testing portable RCDs (PRCDs) of 10 mA and 30 mA.
  • Separate tests for continuity, insulation, mains powered leakage testing and SELV measurements can be made using he Quick Test (QT) button.
  • Test group pass limits and test duration can be configured by the user.
  • Bond lead resistance can be nulled to reduce measurement errors.
  • Live circuit measurement is available for testing the mains supply and socket polarity or electrical circuit voltage to 300 V ac.
  • Can be used for testing fixed appliances.
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Fields of application

Installation Industry

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