10 Best insulation resistance meters of 2025

Save up to 67% off

Best Choice

1

Fluke
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

17% Off
Main highlights

Key Features
Facilitates repetitive or hard-to-reach tests with remote probe. Features live circuit detection for safety and a large, backlit display for easy reading.

Ideal Use Cases
Perfect for electricians and technicians needing to test insulation in difficult or hazardous areas safely and efficiently.

Customer Praise
Most reviews highlight the tool`s ease of use and the peace of mind provided by the live circuit detection feature.
9.9

Exceptional

Our Rating

8.7
Precision

8.0
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

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

19% Off
Main highlights

Key Features
Offers up to 4000M insulation resistance testing, TRMS for accuracy, and voltage detection with safety alarms. User-friendly with a backlit display and battery indicator.

Ideal Use Cases
Perfect for electrical diagnostics in complex systems, ensuring safety in high-voltage environments, and versatile for measuring AC/DC, resistance, and continuity.

Customer Praise
Most reviews highlight its ease of use, precise measurements, and the reliable safety features as the top advantages, enhancing user confidence in electrical testing.
Key specs
- Resistance:Up to 4000M
- Voltage:Up to 1000V AC/DC
- Safety Rating:CAT III/CAT IV
- Display:4000 Count LCD
- Frequency:N/A
9.8

Exceptional

Our Rating

9.7
worth the money

9.7
Simple to use

9.5
Precision
3

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

Measures_Insulation_Up_to_1000_Megaohms
Measures insulation values up to 1000 megaohms at 500 VAC, providing reliable results for various electrical systems.

Ideal_for_HVAC_and_Small_Motors
Perfect for HVAC compressors and small motors, offering easy-to-understand results for both professionals and homeowners.

Praised_for_Simplicity_and_Ease_of_Use
Customers consistently praise its simplicity, ease of use, and lightweight design, making it a go-to tool for quick diagnostics.
Key specs
- Display Type:Zone scale
- Power Source:2 C batteries
- Voltage Range:Up to 500 VAC
- Resistance Range:Up to 1000 MΩ
- Safety Rating:N/A
9.5

Excellent

Our Rating

9.5
Simple to use

9.3
Precision

9.1
worth the money
4

UEi Test Instruments

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

67% Off
9.3

Excellent

Our Rating
5

FUHUOLU

M500 Insulation Tester MEGOHMMETER, Battery Operated Instrument up to 1000 Megohms at 500 Volts, M500 Electronic Megohmmeter with Soft Carrying Case
9.2

Excellent

Our Rating
See Today’s Deals & Prices
6

KKnoon

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
9.1

Excellent

Our Rating
7

UNI-T

Insulation Resistance Tester, Ohm Meter, 100V/250V/500V/1000V Voltmeter 0 to 5G ohm Meter Megohmmeter, Ground Resistance Tester 2000 Counts LCD Display with Backlight (UNI-T UT501A)
9.0

Excellent

Our Rating
8

BTMETER

BTMETER BT-6688B Megohmmeter 200 Gig Ohm Digital Insulation Resistance Tester, 500V/1kV/2.5kV/5kV Test Voltage, Auto Ranging, Backlight Display

25% Off
8.8

Very Good

Our Rating
9

UNI-T

UNI-T 2500V Insulation Megger Tester Megohmmeter, Ground Resistance Tester Meter 0 Megohm to 20GΩ with AC 500V/1000V Testing Voltage & LCD Display Backlight(UT502A)
8.7

Very Good

Our Rating
10

SKYCENX
VC60B Digital Insulation Resistance Tester, Electrical Megaohm Meter with 250V/500V/1000V Test Voltage Testing Insulation Resistance IR 0.1MΩ~2GΩ, Multimeter Measure AC Voltage
Main highlights

Highly Reliable and Versatile Tool
The VC60B resistance tester is designed for accurate resistance measurements with a backlit LCD screen, measuring key lock function, and robust protection features.

Ideal for Professional and DIY Applications
Suitable for diagnosing electrical issues, testing old motors, and evaluating resistive elements in electronic circuits with a wide measurement range and portability.

Praised for Accurate Measurement and Usability
Customers appreciate its ability to measure high resistance accurately, user-friendly display prompts, and cost-effectiveness compared to more expensive alternatives.
Key specs
- Display Type:Backlight LCD
- Power Source:6 AA batteries
- Voltage Range:Up to 750V
- Resistance Range:Up to 200M /2G
- Safety Rating:Robust protection functions
8.4

Good

Our Rating

9.9
Precision

9.7
movability

9.3
safety

10 Best insulation resistance meters of 2025

1

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

8.7

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.7

9.7

9.5

3

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

9.5

9.3

9.1

4

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

5

M500 Insulation Tester MEGOHMMETER, Battery Operated Instrument up to 1000 Megohms at 500 Volts, M500 Electronic Megohmmeter with Soft Carrying Case

6

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

7

Insulation Resistance Tester, Ohm Meter, 100V/250V/500V/1000V Voltmeter 0 to 5G ohm Meter Megohmmeter, Ground Resistance Tester 2000 Counts LCD Display with Backlight (UNI-T UT501A)

8

BTMETER BT-6688B Megohmmeter 200 Gig Ohm Digital Insulation Resistance Tester, 500V/1kV/2.5kV/5kV Test Voltage, Auto Ranging, Backlight Display

9

UNI-T 2500V Insulation Megger Tester Megohmmeter, Ground Resistance Tester Meter 0 Megohm to 20GΩ with AC 500V/1000V Testing Voltage & LCD Display Backlight(UT502A)

10

VC60B Digital Insulation Resistance Tester, Electrical Megaohm Meter with 250V/500V/1000V Test Voltage Testing Insulation Resistance IR 0.1MΩ~2GΩ, Multimeter Measure AC Voltage

9.9

9.7

9.3

Sign up and get exclusive special deals