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10 Best Insulation Resistance Meters of 2026
Save up to 74% off
Best Choice1
Clicked 16 times in the last monthKLEIN TOOLSKlein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resistance, 125V/250V/500V/1000V, Auto-Ranging TRMS Multimeter
15% OffKey specs-
Resistance:Up to 4000M
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Voltage:Up to 1000V AC/DC
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Safety Rating:CAT III/CAT IV
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Display:4000 Count LCD
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Frequency:N/A
9.9Exceptional
Our Rating
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Value for Money2
KAIWEETSKAIWEETS Insulation Resistance Tester, Up to 200GΩ, Pro Megohmmeter, 5 Range 100V/250V/500V/1000V/2500V, One-Toch DAR/PI, Max/Min, Measures Resistance, AC/DC Voltage for HVAC, Motors, Solar, KE2500
9.8Exceptional
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3
SupcoSupco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms Black
14% OffKey specs-
Display Type:Zone scale
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Power Source:2 C batteries
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Voltage Range:Up to 500 VAC
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Resistance Range:Up to 1000 MΩ
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Test Current:N/A
9.5Excellent
Our Rating
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4
UEi Test InstrumentsUEi IRT807 Insulation Resistance Tester 1000V AC/DC, Advanced Megohmmeter Measures Insulation Resistance Up to 2GΩ, Voltage Testing Up to 1000V
74% Off9.3Excellent
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5
UNI-TUNI-T 1000V Megohmmeter Insulation Megger Tester, Ground Resistance Tester Meter 0 Megohm to 5.5GΩ with AC 100V/250V/500V Testing Voltage & LCD Display Backlight(UT501A)
9.0Excellent
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ZOYIZOYI ZT-1000R 2-in-1 Megohmmeter 1000V with DAR & Digital Multimeter, Insulation Resistance up to 20GΩ, 19999 Counts, AC/DC Diodes Ohm, TRMS, Auto-Ranging, Backlit LCD Screen, for Professional
8.9Very Good
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AOPUTTRIVERMegohmmeter 1000V Insulation Resistance Tester, 1999 Counts Megaohm Meter Big LCD Display DCV ACV Megohm Meter DC250/500/1000V, 200MΩ~2000MΩ Resistance Testing with Data Hold Backlit for Motor Cables
8.8Very Good
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FUHUOLUM500 Insulation Tester MEGOHMMETER, Compatible with Supco M500 Electronic Megohmmeter, Multimeter Tester, Compressor Tester HVAC, Battery Operated, 1000 Megohms at 500 Volts, with Soft Carrying Case
8.7Very Good
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NJTYNJTY T6125 Digital Insulation Resistance Tester, 2500V Megohmmeter, 0.01MΩ–200GΩ, AC Voltage (10V-600V), Low Resistance (0.01Ω-60Ω), Data Hold, Over-Range Alarm, Auto Shutdown, Backlit LCD
23% Off8.6Very Good
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10
JUNLIXNVC60B+ Digital Insulation Resistance Tester, DC250/500/1000V AC750V Megohm Meter Double Alarm Backlight LCD Display & Data Hold OHM Meter DCV ACV Megohmmeter
8.5Good
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