Extech EX430 True RMS Autoranging Multimeter Review

There are devices we all need in our households in this century, even though many people still don’t know about things like multimeters. You need a multimeter to help you measure current, voltage and resistance.

The best multimeter should provide you with accurate results when checking various electrical faults and identify 12 volts power sources of your car.

There is something special about the Extech EX430 True RMS Autoranging in the way it is designed and the way it functions. I want to share with you my experience when using this incredible multimeter.Extech EX430 True RMS Autoranging Multimeter

Extech EX430 True RMS Autoranging Multimeter

Extech EX430 True RMS Autoranging Multimeter


Owning this multimeter is the best thing that can ever happen to a hobbyist, a DIY, or a professional. It is designed diligently to provide users with easy use and survive the destructive forces that electrical world is typical of. This review highlights some of the multimeter’s most important features.

Used for Many Different Tests

This multimeter provides various tests and provides accurate results quickly. The Extech EX430 can test AC or DC, voltage, current, capacitance, or frequency. You can also use it to measure temperature, diode, and duty cycle.

Being the versatile tool that it is, it will save you time and money that you could have invested in owning various multimeters for each function. Its design complements its versatility so that each function is easy to test.

Handy Design

This device is designed to fit perfectly into your hands. It has an excellent grip so that it doesn’t slip off your hand when taking tests. You can carry it around with ease. Still, on its exterior, the Extech EX430 has a nice appearance.

Everything is perfectly put in place to give it the innovative looks that are suitable for the innovative tool that it is. Everything is clearly illustrated for your benefit so that even first time users can figure it out.

Fast and Accurate

Some multimeters delay with results, but not this. I like the fact that this multimeter is quick to give results. The best part is that it provides high accuracy results. This device has a basic accuracy of +/- 0.3. It is more accurate than many multimeters in its class.

Whether I’m testing capacitance or just testing the current, it gives me results that I can depend on. It is even more accurate than my previous model.

Large Backlit LCD

The screen is large enough to show readings clearly at all times. It is a very convenient screen that even poor sited people won’t have trouble getting readings. It has a button for lighting up the display in case you are working under a dim light.

The backlight is bright enough so that it shows readings clearly even in the dark. The light stays on for a longer time to provide you with ample time to test and take readings.

Tru RMS Feature

The Tru RMS makes the multimeter to give more accurate measurements of AC voltage. That means the Extech EX430 corrects for the interface from things such as computer power supply and fluorescent lights.

For handling AC, this multimeter is rated up to 750 volts. It is CAT 2 for DC. This makes it much better than the previous model.

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  • Auto power off
  • Convenient backlight
  • Very accurate
  • Large-digit LCD screen
  • Input fuse protection and misconnection warning


  • Quality control issues

Frequently Asked Questions

Q: In which country is this multimeter manufactured?

A: This device is manufactured in China. If you look at the serial number sticker on its back, you will see the country.

Q: How much does the Extech EX430 weigh?

A: The device itself weighs 12 ounces. The device and the plastic box weighs approximately 558 grams.

Q: How responsive is its continuity when you short the probe?

A: The display reads 0.01-0.02 when the probes are in contact with each other

Final Verdict

With all factors considered, this is a pretty convenient device that everyone deserves to have. Professionals and hobbyists alike will be pleased with how this device functions. I’m currently using the ExtechEX430, and I must admit that it helps me a lot with the measurements.

The good thing about this multimeter is that it doesn’t cost much, yet it functions better than most of its more expensive counterparts.

Check Latest Price of Extech EX430, Now!

Joe Carrow

Product reviewer & passionate blogger. Beside writing for this blog, I spend my time crafting research based contents for HuffingtonPost, Lifehacker & Forbes!

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