Supco M500 Insulation Tester with Case vs UEi IRT807 Insulation Resistance Tester 1000V
Key Differences
Supco M500 (A) is the more affordable, handheld insulation tester with a 0–1000 MΩ range and storage case; UEi IRT807 (B) offers a wider voltage testing range, higher measurement accuracy and a CATIV rating to 600V but is positioned in a higher price tier. Choose A if you want an inexpensive, high-resistance-range handheld megohmmeter; choose B if you need higher voltage testing accuracy and stronger safety/voltage ratings
Supco M500 Insulation Tester with Case
Compact insulation tester measures up to 1000 megohms at 500 VAC, with a zone scale for insulation condition and a carrying case. Users note quick, accurate readings and ease of use, though some report short leads
Pros
- measures up to 1000 megohms
- zone-scale insulation condition indicator
- hand-held design with case for storage
- easy-to-use with diagnostic capabilities
Cons
- leads reported as too short
UEi IRT807 Insulation Resistance Tester 1000V
Insulation resistance tester with 0.01M-2G range and voltage test up to 1000V. Accurate readings and CATIV rated up to 600V. customers note its quality and value
Pros
- Wide testing range (0.01M-2G)
- Voltage testing up to 1000V
- High measurement accuracy (1.5-3% + 5 digits)
- CATIV rated up to 600V
Cons
- Limited to insulation resistance testing only (no additional functions noted)
- Accuracy specification varies 1.5-3% + 5 digits depending on range
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Supco |
| Durability | UEi Test Instruments |
| Versatility | UEi Test Instruments |
| User Reviews | Supco |