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France
1 Level
732 Review
58 Karma

Review on Supco M500 Insulation Tester: Reliable Megohmmeter for Accurate Measurements, Includes Soft Carrying Case, 0 to 1000 Megohms by Kenny Stephens

Revainrating 5 out of 5

Great tool suitable for insulation tester

just received this tool and tested it on the compressor today. My trusty PTO read no continuity from winding to ground. Setting my VOM to ohms would allow me to measure the small amount of resistance that a good compressor shouldn't measure from the windings to ground, but at first I questioned my meter until I used this tool to prove that a new compressor that was recently changed is actually bad.

Pros
  • This is amazing
Cons
  • weight