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10 Best Insulation Testers - March 2026

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Last Updated: 03-03-2026

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1

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Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resistance, 125V/250V/500V/1000V, Auto-Ranging TRMS Multimeter

Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resistance, 125V/250V/500V/1000V, Auto-Ranging TRMS Multimeter

KLEIN TOOLS

9.8

9.8

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2

Fluke 1507 Digital Megohmmeter Insulation Resistance Tester, for Advanced Industrial and Electrical Insulation Testing, Offers Multiple Insulation Test Voltages: 50 V, 100 V, 250 V, 500 V, and 1000 V

Fluke 1507 Digital Megohmmeter Insulation Resistance Tester, for Advanced Industrial and Electrical Insulation Testing, Offers Multiple Insulation Test Voltages: 50 V, 100 V, 250 V, 500 V, and 1000 V

Fluke

9.6

9.6

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3

bestBest value
Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-in-1 Insulation Multimeter

Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-in-1 Insulation Multimeter

Fluke

9.5

9.5

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4

UEi IRT807 Insulation Resistance Tester 1000V AC/DC, Advanced Megohmmeter Measures Insulation Resistance Up to 2GΩ, Voltage Testing Up to 1000V

UEi IRT807 Insulation Resistance Tester 1000V AC/DC, Advanced Megohmmeter Measures Insulation Resistance Up to 2GΩ, Voltage Testing Up to 1000V

UEi Test Instruments

9.2

9.2

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5

Fluke 1503 Insulation Tester

Fluke 1503 Insulation Tester

Fluke

9.1

9.1

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6

NJTY 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

NJTY 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

NJTY

8.8

8.8

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7

Megohmmeter 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

Megohmmeter 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

AOPUTTRIVER

8.6

8.6

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8

MH13 250V-2500V Digital Insulation Resistance Tester 1MΩ-200GΩ Megger Megohm Testing Meter Auto Range 2000 Counts LCD Display 10V~600V AC/DC Voltmeter with 100 Data Storage

MH13 250V-2500V Digital Insulation Resistance Tester 1MΩ-200GΩ Megger Megohm Testing Meter Auto Range 2000 Counts LCD Display 10V~600V AC/DC Voltmeter with 100 Data Storage

KKnoon

8.4

8.4

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9

M500 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

M500 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

FUHUOLU

8.2

8.2

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10

Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms Black

Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms Black

Supco

8.1

8.1

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