Supco M500 Insulation Tester with Case vs UEi IRT803 insulation resistance tester 600V
Overall winner: Supco M500 Insulation Tester with Case
Key Differences
Supco M500 (A) measures up to 1000 MĪ© and is a handheld unit with a storage case and many user reviews noting short leads and occasional breakage; UEi IRT803 (B) offers a broader voltage testing range with higher stated accuracy (1.5ā3% + 5 digits) and a CATIV safety rating up to 600V but fewer user reviews and a higher listed price tier
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 IRT803 insulation resistance tester 600V
Insulation resistance tester with voltage testing up to 600V and resistance range to 20G. Provides precise readings across multiple test voltages and features CATIV safety rating. Customers note quality, value, and versatile functionality
Pros
- wide voltage testing options
- high measurement accuracy
- CATIV safety rating up to 600V
- reads insulation resistance up to 20G
Cons
- user mentions CAT III rating up to 1000V (not aligned with device spec)
- no explicit display/readout format details
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Supco |
| Durability | Tie |
| Versatility | UEi Test Instruments |
| User Reviews | Supco |