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Supco M500 Insulation Tester / LED Megohmmeter

SKU M500
Currently 6 in stock.

Supco M500 Insulation Tester / LED Megohmmeter

This reliable, battery operated instrument, complete with LED indicators, will accurately measure insulation values up to 1000 Megohms at 500 volts and also indicate the condition of insulation on the zone scale. 

  • Full range scale up to 1000 Megohms
  • Zone scale to indicate condition of insulation
  • Operates on 2 "C" batteries (not included)
  • Impact resistant thermoplastic case
  • Operating manual included
  • Test leads store in case
  • 2 year warranty



  • Hermetic refrigeration and air conditioning compressors
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Indicator Range: 20 to 1000 Megohms
Applied Voltage: 500 Volts
Display: Light Emitting Diodes
Back Panel: Removable for Test Lead Storage
Case: High Impact Thermoplastic
Dimension: 3-3/8" x 6-3/8" x 1-3/4"
Power Source: (2) "C" Size Batteries (not included)
Test Leads: (2) 6" Long (store within case)