10 Best megger testers of 2025

Save up to 22% off

Best Choice

1

Megger

Megger MIT1025-US 10kV Insulation Resistance Tester, 85 to 265 V, 50/60 Hz, 60 VA, 0.01 nA to 6 mA, Digital/Analog Display, +/-5% Accuracy
9.8

Exceptional

Our Rating
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Value for Money

2

Fluke
Fluke 1587 FC 2-in-1 Insulation Multimeter, True-RMS, Selectable Insulation Test Voltages Up To 1000 V, Pi/DAR Timed Ratio Tests, Measures Frequency, Includes Low-Pass Filter For Motor Drive VFD

15% Off
Main highlights

PI Polarity Index and DAR with Trend Graphs
The PI polarity index and DAR dielectric absorption ratio with Trend It graphs help identify problems faster, ensuring efficient troubleshooting.

Ideal for Electricians and Heavy Industry
This meter is essential for electricians, especially in heavy industry, offering accurate motor drive measurements and insulation test voltages up to 1000 V.

Bluetooth Feature and Mobile App Integration
Customers frequently praise the Bluetooth feature and the mobile Fluke Connect Measurements App, which simplifies data storage, reduces errors, and aids in historical tracking.
9.6

Exceptional

Our Rating

9.3
Simple to use

8.7
Temperature control

8.0
worth the money
3

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

22% 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
9.5

Excellent

Our Rating

9.7
worth the money

9.7
Simple to use

9.5
Precision
4

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.
9.4

Excellent

Our Rating

8.7
Precision

8.0
worth the money
5

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

13% Off
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
- Test Current:N/A
9.1

Excellent

Our Rating

9.5
Simple to use

9.3
Precision

9.1
worth the money
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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
9.0

Excellent

Our Rating
7

Megger

Megger MIT310-EN Digital/Analog Insulation Tester, 250/500/1000 V Test Voltage
8.9

Very Good

Our Rating
8

FUHUOLU

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

11% Off
8.8

Very Good

Our Rating
9

RQG

1000MΩ Megohmmeter, 120 RPM Hand Crank Megohmmeter, Portable M Egger 1000V Insulation Resistance Tester, Accuracy Class 10 with Pointer Dial & Test Wire
8.6

Very Good

Our Rating
10

VLUUKE

10KV Digital Insulation Meter Insulation Resistance Tester and megohmmeters High Voltage Resistance Multimeter with Absorption Ratio and Polarization Index Measurement
8.5

Good

Our Rating

10 Best megger testers of 2025

1

Megger MIT1025-US 10kV Insulation Resistance Tester, 85 to 265 V, 50/60 Hz, 60 VA, 0.01 nA to 6 mA, Digital/Analog Display, +/-5% Accuracy

How do we rank?

How do we rank?

Analyzing top stores

2

Fluke 1587 FC 2-in-1 Insulation Multimeter, True-RMS, Selectable Insulation Test Voltages Up To 1000 V, Pi/DAR Timed Ratio Tests, Measures Frequency, Includes Low-Pass Filter For Motor Drive VFD

9.3

8.7

8.0

3

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

9.7

9.7

9.5

4

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

5

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

9.5

9.3

9.1

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

Megger MIT310-EN Digital/Analog Insulation Tester, 250/500/1000 V Test Voltage

8

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

9

1000MΩ Megohmmeter, 120 RPM Hand Crank Megohmmeter, Portable M Egger 1000V Insulation Resistance Tester, Accuracy Class 10 with Pointer Dial & Test Wire

10

10KV Digital Insulation Meter Insulation Resistance Tester and megohmmeters High Voltage Resistance Multimeter with Absorption Ratio and Polarization Index Measurement

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