Richmeters RM405N digital multimeter — Review

Richmeters

Richmeters RM405N digital multimeter

★★★★☆ 4.3/5 (4 customer reviews)
Overall Score4.3/5.0
Expert Verdict

The Richmeters RM405N digital multimeter is an excellent choice for those seeking a dependable and straightforward multimeter for everyday electrical tasks. It balances essential features with durability and ease of use, making it especially suitable for DIY users and entry-level electricians. While it may not satisfy advanced professionals requiring extra functionalities, it offers great value for its price.

Estimated price · USD
$40.99 ↓ 9% vs 12-mo high
12-mo low
$37.25
12-mo avg
$40.64
12-mo high
$45.06

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Key features
  • Measures AC/DC voltage, current, and resistance
  • Auto-ranging function for quick and accurate measurements
  • Backlit LCD display for visibility in dim environments
  • Data hold function to freeze readings on screen
  • Continuity buzzer for easy circuit testing
  • Low battery indicator
  • Ergonomic and shock-resistant casing
✓ Pros
  • Accurate and stable readings
  • User-friendly interface suitable for beginners
  • Durable build quality with rubber protective cover
  • Backlit display enhances usability in low light
  • Compact and lightweight for easy portability
  • Good battery life with low power consumption
  • Affordable price point compared to competitors
✗ Cons
  • Lacks advanced features like capacitance and temperature measurement
  • No Bluetooth or connectivity options for data logging
  • Probes could be of higher quality for heavy-duty use

Full Review

The Richmeters RM405N digital multimeter is a reliable and user-friendly tool designed for both DIY enthusiasts and professional electricians. It offers a solid combination of essential measurement functions such as voltage, current, resistance, and continuity testing, making it versatile for a wide range of electrical troubleshooting tasks. Its clear backlit LCD screen ensures easy readability even in low-light conditions.

Built with durability in mind, the RM405N features a robust casing that can withstand everyday workshop wear and tear. It includes an auto-ranging function that simplifies operation by automatically selecting the appropriate measurement range, saving time and reducing errors. The device also boasts a data hold function and a low battery indicator, enhancing convenience and usability.

While it doesn't include some advanced features found in high-end models, the RM405N covers all the basics efficiently, making it a great value for hobbyists and tradespeople who need an affordable yet dependable multimeter. Its compact size and ergonomic design further add to the ease of use during prolonged work sessions.

Price history Estimated

Modelled 12-month price trajectory in USD. Points are smoothed estimates — see the partner store for the live price.

$45$43$41$39$37$40.99M-11M-9M-7M-5M-3M-1Now
Now
$40.99
12-mo low
$37.25
12-mo avg
$40.64
12-mo high
$45.06

We earn a small commission on qualifying purchases via affiliate links — at no additional cost to you.

Customer Reviews

James T.March 2025
★★★★★
Great value for money
This multimeter has exceeded my expectations for the price. It's accurate and easy to use, with a clear display even under poor lighting. Perfect for my home projects and occasional electrical work.
Linda K.January 2025
★★★★☆
Reliable and straightforward
I like the auto-ranging feature and the durable feel of the device. It’s very straightforward and perfect for someone like me who isn’t an expert. Would prefer better probes though.
Michael B.February 2025
★★★★☆
Good basic multimeter
Works well for measuring voltage and continuity. The backlit screen is a nice touch. Missing some advanced features but for my needs, it’s just right.
Samantha R.December 2024
★★★★☆
Solid and dependable
I’ve used this multimeter for several months now and it’s held up nicely. It’s compact and easy to carry around. Could be improved with better probes or additional functions.