Four E's USA (A Four E's Scientific Company)
GRUDYNE M500 Megohmmeter Tester
A professional-grade insulation tester designed for HVAC compressors and electrical systems. Delivering accurate, reliable measurements, it helps quickly detect insulation faults and ensure equipment safety. Ideal for industrial maintenance, including furniture machinery and electrical diagnostics.
Product Features
● Accuracy & Reliability: Measures up to 1000 MΩ at 500 V, quickly detecting insulation faults in motors and HVAC systems.
● Durability: Built to withstand drops and harsh job sites, reducing replacement costs.
● Simplicity: Clear “Good / Normal / Risk” scale for instant, easy readings—no guesswork.
● Professional Testing: Ideal for motors, compressors, panels, and circuits—reliable diagnostics every time.
● Versatility: Perfect for electricians, HVAC techs, and DIY troubleshooting.
Specifications
| Model | M500 |
| Rated Voltage | 500 Volts (AC) |
| Measurement Range | 20–1000 Megohms (above 1000 MΩ: no light indicator) |
| Power Source | 2 x C batteries (not included) |
| Certifications | CE, RoHS |
| Color | Industrial gray body with blue front panel |
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About Four E’s
Serving Laboratory Market Worldwide
We design and manufacture laboratory and medical equipment that delivers accurate and reliable performance. Four E's consumables and devices are trusted worldwide in research and medical laboratories. Due to our OEM and Private Label capabilities, "You may not recognize our name, but you've seen our products
PS: I am a human! :)
