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No matter whether you’re a professional electrician, DIY newbie, or anywhere in between, a multimeter can make all your electrical projects easier, safer, and more efficient. In fact, you will be hard-pressed to find a more useful multipurpose tool available for as reasonable a price as a decent multimeter.
Intended primarily for use in measuring voltage, current, and resistance, digital multimeters have quickly become a standard diagnostic tool for anyone working with electrical units. But with so many models available on the market today, how can you know that you’re really getting your money’s worth when you buy a new multimeter?
To answer that question, we tested and compared over two dozen multimeters. In the reviews that follow, you’ll find our top picks for every category and budget – as well as a helpful guide to get you up to speed on the ins and outs of multimeters, so you know you’re choosing the best tool for your specific needs.
A Quick Glance at the Winners of 2020:
IMAGE | PRODUCT | DETAILS | ||
---|---|---|---|---|
Best Overall | ![]() | Dremel MM50-01 Multi-Max Oscillating |
| CHECK PRICE |
Best Value | ![]() | AstroAI TRMS 6000 |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
Best Overall | ![]() | GALAX PRO Oscillating Tool |
| CHECK PRICE |
1. AstroAI TRMS 6000 – Best Overall

- Powerful 5-amp motor
- Compact size
- Push-down mechanism to remove tool heads
- Long cord
- Carry bag
This grout removal tool is the bell of the ball. Dremel has been a top name in the rotary tool industry for decades, and the Dremel MM50-01 Multi-Max Oscillating DIY tool is a terrific example of what they do best. With its 5-amp motor, its uniquely angled body design, and the tool-less blade change system, you will find plenty of uses for this fantastic tool.
It features a 7-foot rubber cord to power it, which gives the user plenty of room to work, and its powerful motor has variable speed settings, easily changeable as needed. Its body style allows it to get into spaces other grout removal tools cannot, and its head is 30% smaller than all other options.
It is an investment with a higher price tag that might give some shoppers pause, and the warranty is only good for two years. Other than that, it’s a home run.
- Powerful 5-amp motor
- Compact size
- Push-down mechanism to remove tool heads
- Long cord
- Carry bag
- Expensive
- Short warranty
1. AstroAI TRMS 6000 – Best Overall

- 22 gauge sheet up to 3/16-inch metal
- 10 to 165 amperage range power output
- Fan-On-Demand runs only when needed
- Gas shielding based on low amperage or high current
- Includes torch and regulator
- Input Voltage – 220/230/240 V
With the excess glue removed with a paper towel while it’s still wet, you can often pick up any residue left behind with cold, soapy water. Like the towel, you should also keep a supply of soapy water close by while you work, so it is quickly accessible if you have any accidents.
With the excess glue removed with a paper towel while it’s still wet, you can often pick up any residue left behind with cold, soapy water. Like the towel, you should also keep a supply of soapy water close by while you work, so it is quickly accessible if you have any accidents.
With the excess glue removed with a paper towel while it’s still wet, you can often pick up any residue left behind with cold, soapy water. Like the towel, you should also keep a supply of soapy water close by while you work, so it is quickly accessible if you have any accidents.
- Two oscillating widths for more control
- Universal fit system enables users to use attachments from nearly any company
- Two oscillating widths for more control
- Universal fit system enables users to use attachments from nearly any company
Skill Level: Advanced
Materials: Lumber, Wood glue, Sandpaper
Tools Needed: Router, Belt sander, Wood hammer, Table saw
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