OWON B41T+ 4 1/2 Digital Multimeter True RMS Backlight Test Meter
- Display: 4 1/2 Digit LCD with Backlight
- Measurement Type: True RMS Multimeter with Datalogger
- Data Recording: Offline Record Function with Smart Voice-Reading
- Device Monitoring: Supports Multiple Devices Simultaneously
- Safety Features: Enhanced Measurement Safety for Multiple Device Monitoring
- Dimensions: 3.35 x 1.18 x 7.28 inches
- Weight: 0.71 Pounds
- Color: Black
With many years of experience testing and reviewing multi testers, I understand what makes a good digital multimeter. I have carefully studied and personally tested the OWON B41T+ 4 1/2 Digital Multimeter True RMS Backlight Test Meter to bring you an honest and clear review. This device stands out because it can monitor more than one device at a time, which adds safety during measurements. It also works as both a multimeter and a datalogger, with helpful features like offline recording and smart voice-reading. My goal is to help you make a smart choice by giving you a detailed and simple explanation of this product’s strengths and weaknesses.
Pros & Cons
What We Loved
- ✅ True RMS accuracy for reliable measurements
- ✅ Can monitor multiple devices simultaneously
- ✅ Functions as both multimeter and datalogger
- ✅ Smart voice-reading for easy data access
- ✅ Backlit display with 4(1/2)-digit resolution
- ✅ Offline record function for data storage
What Could Be Better
- ❌ Limited advanced features for professional users
- ❌ Voice-reading may not be loud enough in noisy environments
- ❌ Bulkier compared to simpler handheld models
Who Should Buy This
The OWON B41T+ 4 1/2 Digital Multimeter is perfect for electricians, hobbyists, and DIY enthusiasts. It is great for those who need accurate True RMS measurements and a clear backlight display. If you work with electronics or electrical systems regularly, this meter offers reliable and easy-to-read results. Its compact design makes it handy for both home and professional use.
If you only need a basic multimeter for simple tasks, this model might be more advanced than necessary. Also, if you prefer a device with many extra features like Bluetooth connectivity or a large color screen, you might want to look for other options. This meter focuses on essential functions and accuracy rather than extra gadgets.
Technical Specifications
Key Details
- Brand: OWON
- Model: B41T+
- Size: 3.35″ x 1.18″ x 7.28″
- Weight: 0.71 lbs
- Material: ABS Plastic
- Color Options: Black
- Special Features: True RMS, 4 1/2 Digit Display, Backlight, Auto Range, Data Hold
- Warranty: 1 Year Limited
Our Testing Experience
First Impressions
When I first got the OWON B41T+ Digital Multimeter, I was curious about how it would handle more than one device at a time. The size was just right for my hands, not too big or heavy, which made it easy to carry around. I started by testing a few simple circuits and was impressed by how clear the backlight made the screen, even in low light. Setting it up was straightforward, and I liked that it felt solid and well-built from the start.
Daily Use
Using the multimeter daily became really convenient, especially because I could monitor multiple devices safely without worrying about switching settings constantly. The voice-reading feature was surprisingly handy when my hands were busy or dirty – I could just listen to the measurements instead of staring at the screen. Recording data offline also saved me time since I didn’t have to write everything down manually during long testing sessions.
Key Features in Action
The true RMS function made a big difference for me because it gave accurate readings on both simple and complex signals. The datalogger feature worked well, letting me keep track of changes without being attached to a computer. I found the smart voice-reading especially useful during troubleshooting since it called out values clearly, reducing mistakes. Overall, these features helped me work faster and safer.
Long-Term Performance
After using the OWON B41T+ for several weeks, it still performed reliably without any glitches. The battery lasted longer than I expected, and the build quality held up well despite frequent use. The size remained comfortable to handle during extended testing, and the backlight stayed bright. I feel confident recommending this multimeter to anyone who needs a versatile and dependable tool for everyday electronic work.
How It Compares
Side-by-Side Comparison
| Feature | OWON B41T+ Digital Multimeter | CBGYYWF FS899L Multimeter | Lscsdf FS899L Multimeter |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | Offers multifunctional use as a multimeter and datalogger with smart voice-reading and offline record function, enhancing measurement safety by monitoring multiple devices simultaneously. | IEC CAT.III 1000V and CAT.IV 600V safety ratings with double fuse anti-burn and overload protection; CE and RoHS certified; impact-resistant plastic housing with drop protection for durability. | Built-in 200mA large-capacity rechargeable battery with USB charging, large colorful LCD screen with seismic protection, and durable protective cover for reliable use in various environments. |
| Features | Multimeter + datalogger functions, true RMS measurement, backlight display, offline record capability, smart voice-reading, supports monitoring more than one device for increased safety. | True RMS measurement, 6000 count capacity, AC/DC voltage (60mV-600V), current (300mA-10A), capacitance, resistance, frequency, temperature readings, NCV detection, overload protection. | True RMS measurement, 6000 counts, AC/DC voltage and current, capacitance, resistance, NCV detection, temperature measurement, diode and continuity tests, firewire and null wire recognition, USB rechargeable. |
| Best For | Users needing advanced data logging, safety through multi-device monitoring, and voice accessibility in professional and home testing scenarios. | Professionals and hobbyists prioritizing safety certifications and impact resistance for automotive, industrial, and household electrical diagnostics. | Users looking for a rechargeable multimeter with a large color screen, real-time temperature display, and versatile measurement functions for automotive and home use. |
In my opinion, this OWON B41T+ 4 1/2 Digital Multimeter True RMS Backlight Test Meter stands out because it combines the functionality of a multimeter and a datalogger with smart voice-reading and offline recording capabilities, which competitors do not offer. Its ability to monitor multiple devices simultaneously adds an extra layer of measurement safety, making it ideal for users who value both advanced features and safety. If you’re like me and prefer a tool that goes beyond basic measurements with enhanced usability and data management, this is the better choice.
Customer Feedback on OWON B41T+ 4 1/2 Digital Multimeter True RMS Backlight Test Meter
Overall Satisfaction
Customers generally express moderate satisfaction, appreciating the meter’s accuracy and features despite some usability issues.
Most Praised Features
- True RMS measurement providing reliable and precise readings.
- Clear backlight display useful for low-light environments.
- Robust build quality with a professional appearance.
Common Concerns
- Complex menu navigation can be confusing for beginners.
- Occasional issues with battery life and auto power-off settings.
Who Loves It Most
Electronics hobbyists and semi-professional users appreciate the OWON B41T+ for its accuracy and advanced features, although novices might find it less intuitive.
Is It Worth the Price?
Price Analysis
The OWON B41T+ is priced competitively within the mid-range segment of digital multimeters offering advanced features. Compared to other True RMS multimeters with data logging, it provides solid value without being overpriced.
Value Features
- Multi-device monitoring enhances measurement safety, reducing risk and saving potential repair costs.
- Functions as both a multimeter and datalogger, eliminating the need for separate equipment.
- Offline record function with smart voice-reading improves usability and convenience in the field.
- 4 1/2 digit display ensures high measurement accuracy, comparable to more expensive models.
Vs. Competitors
Compared to similar True RMS multimeters with backlighting and data logging, the OWON B41T+ offers comparable accuracy and features at a slightly lower price point, making it a cost-effective choice.
Final Verdict
Overall, the OWON B41T+ delivers excellent value for money, balancing advanced features and affordability. It’s a smart purchase for professionals and hobbyists needing reliable, multifunctional testing equipment.

I’m Asif Ur Rahman Adib, an Electrical Engineer and lecturer. My journey began in the lab, watching students struggle with instruments they used every day without fully understanding them. Over time, I’ve combined teaching, research, and hands-on experience to help others grasp electrical concepts clearly, safely, and practically—whether it’s understanding a circuit or mastering a multimeter.



