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An inexpensive alternative to taut band (swing needle) megohmmeters, the M500 provides fast and accurate measurements to verify the condition of the insulation. Includes the same features as the M500 and installed in a sturdy service case.


  • Zone scale to indicate insulation condition
  • Measure insulation values up to 1000 megohms @ 500VAC
  • Hand held
  • Test leads store in case
  • Operates on 2 C batteries (not included)
  • Impact resistant
  • Sturdy service case
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Measurement/Function: Insulation Resistance
Range: 20 to 1000 megohms
Temperature Range: 32°F to 120°F (0°C to 50°C)
Lead Length (Extended): 44"
Hermetic Refrigeration Compressors
Panel Boards
Relay Control circuits

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