Best Digital Insulation Tester Reviews & Alternatives

A digital insulation tester can be a great investment for those who want to simplify their work needs. With the increase in standing desk popularity, many people looking for the best digital insulation tester feel overwhelmed by the wide range of options available. From traditional digital insulation tester  to convertible models, the dizzying slew of choices might make you feel the need to take advantage

What are the features that make the best digital insulation tester? These compact and convenient digital insulation tester are easy to install and easy to use at the same time. And then there’s the price! Below, we’ll run through the average digital insulation tester cost of some of the most popular types, so you can get a good idea of where to start with your budget.

The reasons you should trust us

We recommend products in each review using an intensive research process, spending hours combing through the best available models on Amazon. For a product to make our list of top picks, it must hold a solid sales record on Amazon, have consistently positive customer reviews, and offer unique features, among other factors. After narrowing down our recommendations, we conduct additional research to ensure that the products meet our standards. Once we conclude the research phase, we craft a well-rounded, user-friendly article that includes our recommended products and additional information to help homeowners like you make the right purchase. The following key factors are considered when analyzing:

  • The quality of digital insulation tester
  • Each product’s design
  • How it’s built
  • Price comparison
  • How durable [replace-keyword] is
  • Features
  • Cost-effectiveness
  • Versatility
  • Product usability
  • The functionality of the digital insulation tester
  • Performance of the products
  • Product dimensions and weight
  • Return policy and warranty, and more.

Best digital insulation tester & Features

1. Digital Insulation Resistance Tester, AP-6688B Auto Range Megohmmeter 1999 Counts LCD Display 500/1000/2500/5000V Voltage,1MΩ~200GΩ Resistance Testing with Data Hold Backlit for Motor Cables Switches

Features :

  • ✅【Excellent Performance】Testing Voltage:500V/1000V/2500V/5000V;Insulation Resistance:1MΩ~200GΩ;AC Voltage:1V~750V;Frequency Range:40Hz~400Hz.
  • ✅【Safe and Reliable Design】The AP-6688B Insulation Resistance Tester comes with a blue protective sheath which is insulative, non-slip and anti-fall. The product design complies with the IEC-1010 double insulation, environmental pollution degree II and over-voltage category II safety standard issued by IEC.
  • ✅【Gather all the Functions That You Need】AP-6688B insulation resistance tester 1999 counts LCD display, data hold, auto ranging, low battery indication,backlight and HV red indication lamp light.
  • ✅【Ideal Electrical Test Instrument】The product is suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as transformers, motors, cables, switches, electrical appliances, etc.
  • ✅【2 YEARS WARRANTY】1.5V(AA)*6 batteries are included. AOPUTTRIVER provides 2 years warranty and lifetime technical support, if you have any problems about our products, please feel free to contact us!

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

Features :

  • ✅【High Insulation Resistance Tester】Digital Autoranging Megohmeter measures high insulation resistance 0.1M~200G ohms with accuracy 3%~10% + 5 digits.
  • ✅【Wider Testing Voltage】The output testing voltage can be selected from 100V/250V/500V/1000V/2500V/5000V. This Insulation Resistance Tester comes with a non-slip and anti-fall protective case which is insulative.
  • ✅【Safe and Reliable Mega Ohmmeter】 IEC-1010 double insulation, overvoltage category Ⅱ safety standard rated. During any rated voltage measurement, if the measured resistance is less than 5M ohms, the measurement time should not exceed 10 seconds.
  • ✅【Electric Insulativity Test Checker】 This Megohm meter can also measures AC high volt 1V~750V, Frequency Range:40Hz~400Hz,with high voltage measurement LED warning.Ideal for measuring insulation resistance in high-voltage electrical equipment, electricity wiring cable
  • ✅【2 YEARS QUALITY WARRANTY】BT-6688B 1999 Counts Megameter suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as transformers, motors, cables, switches, electrical appliances, etc. Backed for 1 year warranty for worry-free purchase!

Additional Info :

Color BT-6688B (1MΩ-200GΩ)
Item Dimensions
Weight 2.8219169536

3. HOLDPEAK HP-6688B Digital Insulation Resistance Tester with Voltage 5000V, Insulation Resistance 200G ohms with Data Hold and Backlight Megohm Meter (Battery Included)

Features :

  • 👉【Test voltage combinations】500V,1000V,2500V or 5000V;AC Voltage:750V.
  • 👉【Battery Included】Contain 6*1.5V (AA) Battery.Comes with a rechargeable function that lets you recycle your battery,Don’t need to replace batteries frequently.
  • 👉【Insulation Resistance】1MΩ~200GΩ.A large range for you measure the insulation resistance.
  • 👉【Multi-Function】Strong anti-magnetic and anti-jamming function.With Auto Range,Data Hold,Low Battery Indication,Backlight,HV red indication lamp light,High voltage and short circuit input alarm.
  • 👉【Safety Protection】 IEC 61010-1 & CATIV 600V / CATIII 1000V overload protection on all ranges.HOLDPEAK come with 1 year warranty and lifetime technical support,if you have any problems with our product,pls feel free to contact us,we will respond to you within 24 hours.

Additional Info :

Color 6688B-5000V Insulation Resistance
Item Dimensions
Height 9.64565
Width 21.2598
Length 17.12595
Weight 1.984160358

4. VICI VC60B+ Digital Insulation Resistance Tester DCV ACV Megohm Meter DC250/500/1000V AC750V

Features :

  • An accurate, reliable and easy-to-use insulation tester
  • Large LCD display, easy to read,Unit symbol display, easy to use
  • Strong anti-magnetic and anti-jamming function
  • Full function protection, anti high voltage circuit design
  • High voltage and short circuit input alarm

5. Fluke 1507 Digital Megohmmeter Insulation Resistance Tester

Features :

  • Repetitive or hard-to-reach testing is easy with the remote test probe
  • Live circuit detection prevents insulation test if voltage greater than 30-Volts is detected for added user protection
  • Read measurements easily with large, backlit display
  • Save both time and money with automatic calculation of polarization index and dielectric absorption ratio
  • Make repetitive tests simple and easy with the 1507’s Compare (Pass/Fail) function
  • Repetitive or hard-to-reach testing is easy with the remote test probe
  • Live circuit detection prevents insulation test if voltage greater than 30-Volts is detected for added user protection
  • Read measurements easily with large, backlit display

Additional Info :

Item Dimensions
Height 3
Width 6
Length 13
Weight 2.20462262

6. Extech MG310 Compact Digital Insulation Tester

Features :

  • Test Voltages of 250V, 500V and 1000V
  • Measure Insulation Resistance to 5.5GΩ (auto ranging)
  • AC Voltage measurement from 30 to 600V
  • Polarization Index measurement (PI)
  • Dielectric Absorption Ratio measurement (DAR)

Additional Info :

Item Dimensions
Height 6
Width 2.8
Length 4
Weight 1.25

7. Extech 380260 Autoranging Digital Insulation Tester

Features :

  • Measures insulation resistance up to 2000M
  • 250V, 500V and 1000VDC test voltages
  • Measures AC voltage up to 750V and DC voltage up to 1000V
  • Continuity and 200 and 200k resistance ranges
  • Dual backlit LCD display test voltage and insulation resistance

Additional Info :

Color orange and green
Item Dimensions
Height 3.6
Width 1.9
Length 7.8
Weight 2.20462262

8. LEAGY VICTOR VC60B+ Digital Insulation Resistance Tester Megohm Meter DC250/500/1000V AC750V Orange with Black, 0 to 2000 Megohms

Features :

  • Measure Range up to 2000MΩ 1000V with Accuracy of ±(4% of reading +2 digits)
  • Large LCD display (84.8*59.8mm), with backlight, max display “1999”
  • Data hold and auto power off
  • Over Range indication: display “1”
  • Low power consumption: Less than 300mw at unload measurement

Additional Info :

Color Black
Item Dimensions
Height 6.5
Width 2.8
Length 4.1
Weight 1.4

9. Amprobe AMB-25 Digital Insulation Resistance Tester

Features :

  • Insulation resistance meter to test insulation of wires, cables, transformers, and electrical motors
  • Digital meter with automatic range selection
  • Internal memory stores up to 9 test results
  • Measures insulation resistance from 0 to 1,000 megaohms with 250, 500, and 1,000V DC test voltage
  • Safety rated to European Standard EN 61010-1 Category III 1,000V
  • Tests insulation of wires, cables, transformers and electrical motors
  • Selectable test voltages 250V, 500V and 1000V
  • Programmable timer to perform the dielectric absorption ratio test
  • Sensitive ohmmeter for checking resistance of motor windings

Additional Info :

Item Dimensions
Weight 2.04

10. PEAKMETER PM5205 Digital Insulation Tester Resistance Meter Multimeter Megohmmeter Auto Power Off

Features :

  • Auto Calculate PI and DAR
  • Store /Load Function
  • Compare function
  • Auto discharge for capacitive load
  • Timer Function for insulation test

Additional Info :

Item Dimensions
Height 5.5
Width 2.6
Length 7.1
Weight 2.1

Buying Guide for digital insulation tester

To help you buy the perfect digital insulation tester for your needs and requirements, we have mentioned some of the best digital insulation tester in this article. Not only that, but you can also learn about their differences as we have mentioned their major features and options.

To help you on your way, we’ve listed some questions you may want to consider before making any purchase.

  • Why do I want to buy this?
  • Do I need it or just want it?
  • Am I getting the best deal?
  • How often will I use it?
  • Can I pay cash for it?
  • Is it budgeted for?
  • Can I borrow it?
  • Can I get it used?

Although, if you still want to learn more about these digital insulation tester for buying the perfect one, we are here with a detailed buying guide just for you. Since this buying guide is related to digital insulation tester, you can find many major features and aspects related to digital insulation tester. Thus, you can easily choose the perfect one by going through this article until the end.


The digital insulation tester should last more than one use and hold up against normal wear and tear. We recommend reading the product description before purchasing digital insulation tester to ensure they’ll last a while. Additionally, pay attention to the wash instructions.


When choosing the best digital insulation tester, you must consider its versatility.  It is important to make sure that your unit can be used for performing different tasks.

For instance, if you need to use your unit for other purposes in any other materials, getting the one with a versatile design will be an ideal option for you.


The brand is another crucial factor you must consider while looking for the digital insulation tester.  You will find both well-known and unknown brands in the market. If you are looking for a reliable and durable model, I recommend getting one from a well-known brand.

They use high-quality materials and the latest technology to manufacture their products.  As a result, you will be able to get a durable and long-lasting digital insulation tester.

Ease of Use

While choosing the digital insulation tester, you must ensure that it is easy to use.  It is important to get the one that comes with a user-friendly design.


As a result, you will be able to use your unit for a long time without facing any discomfort.  Also, getting the one that comes with an easy-to-use design will help you save a lot of time and effort.


The price is another essential factor you must consider while looking for the digital insulation tester.  You need to get the one that fits your budget perfectly.

Getting the one that comes at an affordable price will help you save a lot of money.  However, you must ensure that it meets your needs and requirements perfectly.


The digital insulation tester should be easy to carry for you. Therefore, consider the size, style, design, and all the other basic features to check for the actual portability of the device. Portability comes with comfort and ease, and you need to look for all the features to look for a suitable digital insulation tester.


The price of your digital insulation tester will depend upon its features and the overall quality. There are some inexpensive options in the market, but they may not have the best features.

The term ‘budget’ is broader because it completely depends on the user who wants to purchase the digital insulation tester. In this case, you can prepare a list of all the features you want to have in your digital insulation tester. Then, look for the product that comes with these features and works well.

After that, you should carefully check the prices of each air compressor machine on your list. This will give you a precise idea about the budget you need to prepare for the digital insulation tester you should go after.


It is important to consider your unit’s weight while working in congested areas. Getting a lightweight model will be ideal if you need to work regularly in difficult-to-reach places.

However, if portability is not your concern and you are looking for a durable model, you can go for the one with a little heavyweight.


The warranty of digital insulation tester is when the manufacturer offers free repairs or replacements for any damages that occur to the product.

You need to check the warranty of digital insulation tester before buying it, as you don’t want a product that doesn’t come with a warranty.

At the same time, you also need to remember that some digital insulation tester come with a longer warranty than others, so select one with a long warranty if possible.

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