ITTSB.EU Blog Forum
Multimeter | Clamp meter | Insulation Resistance Tester | Panel Meter | Oscilloscopes | Test leads & Accessories | Software Updates => Insulation Resistance Testers => Topic started by: Kiriakos GR on June 02, 2025, 06:28:52 PM
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Since 2019, SUPCO an small American company, this distributes M500 LED Meg ohms tester.
The use of ten LED in series, this creates the measuring scale.
The range is from 10 up to 1000 Meg-ohms, with a fixed testing voltage at 500 ACV.
SUPCO brand using the word inexpensive as major marketing point.
M500 Insulation Tester Guide, this is just a single page.
https://www.supco.com/web/supco_live/products/M500.html (https://www.supco.com/web/supco_live/products/M500.html)
https://www.supco.com/web/supco_live/download.php (https://www.supco.com/web/supco_live/download.php)
Even so SUPCO it does delivers a good advice, about measured results and of how these to be interpreted,
as Good or Caution or as Fault condition.
SUPCO M500 this using a pair of large "C" type alkaline.
Pricing within EU, this starts from 100+ Euro.
Applications
• Hermetic compressors
• Condenser and blower motors
• Circuit Boards and transformers
• Ground loop and conduit wiring
• Panel boards and relay control circuits