M500 Insulation Tester MEGOHMMETER for HVAC, 1000 MΩ@500V vs M500 Megohmmeter Insulation Tester

Overall winner: M500 Megohmmeter Insulation Tester

Key Differences

Both units share the same 500V/1000 MΩ rating and identical listed price tier. FUHUOLU (A) highlights an intuitive display with insulation status (Good/Normal/Risk) and compatibility with Supco M500, while oiuebxe (B) emphasizes included test leads and a storage case but notes batteries are not included and lacks explicit warranty info

M500 Insulation Tester MEGOHMMETER for HVAC, 1000 MΩ@500V

M500 Insulation Tester MEGOHMMETER for HVAC, 1000 MΩ@500V

FUHUOLU • ★ 3.7/5 • Mid-Range

Insulation resistance tester up to 1000 megohms at 500 V AC, compatible with Supco M500. Quick health status indicator for motors, transformers, and HVAC systems. Customers note good quality and effective diagnostics

Pros

  • measures insulation resistance up to 1000 megohms
  • built-in resistance scale shows quick status (Good/Normal/Risk)
  • compatible with popular m500 megohmmeter
  • compact, battery operated with carrying case

Cons

  • limited to 500 V operations
  • customer insight mentions overall quality but no longevity data
Check current price on Amazon →
M500 Megohmmeter Insulation Tester

M500 Megohmmeter Insulation Tester

oiuebxe • ★ 3.7/5 • Mid-Range

Insulation resistance tester compatible with M500 electronic megohmmeter. Measures insulation values up to 1000 MΩ at 500 V. Includes soft case and test leads for storage and use

Pros

  • measures up to 1000 megohms
  • 500 volt applied voltage
  • includes test leads storage panel
  • removable back panel for lead storage

Cons

  • battery type specified as 'c' size; batteries not included
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price Tie
Durability Tie
Versatility Tie
User Reviews oiuebxe