High Voltage Insulation Tester Megohmmeter Up To 1000 Megohms At 500 Volts For HVAC Pros Tough Impact Resistant Meter With Soft Case LED Zone Indicator Compatible With Supco M500 Ideal For Compressor And Motor Windings
✔️ 1000 MΩ at 500V range, LED zone indicator, rugged case
Designed for HVAC technicians and electricians, this professional insulation tester measures up to 1000 MΩ at 500V. It detects insulation aging, moisture intrusion, or thermal damage in compressors, motor windings, transformers, and relays. The LED zone scale provides quick health feedback, while the rear storage panel keeps leads secure; the soft zippered case protects the kit during transport. Battery-powered (2x C, not included). Color: Blue. Compatible with Supco M500.
✅ Insulation resistance range up to 1000 MΩ at 500V
✅ LED zone scale: Green >150 MΩ, Yellow 40-100 MΩ, Red <20 MΩ
✅ Rugged double-sided ABS housing with integrated lead storage
✅ Includes soft carrying case, test leads, and requires 2x C batteries (not included)
💡 What is a high voltage insulation tester used for in HVAC and electrical work?
It’s handy for quick insulation health checks and to guide repairs on site.
- Quick checks on compressor windings, motors, transformers - Detects insulation aging, moisture intrusion, or thermal damage - Provides a clear LED health readout to support fast decisions - Portable, battery-powered, and comes with a protective case✝️