Fluke 15B+ Digital Multimeter Review: Is This the Best Tool for Electricians?

Testing electrical systems requires precision and reliability, which is exactly what I found when using the Fluke 15B+. This digital multimeter has become my go-to tool for both residential and commercial electrical work.

After several weeks of daily use, the 15B+ consistently delivers accurate readings across all its measurement functions. The CAT III 600V safety rating provides peace of mind when working on electrical panels and equipment.

I appreciate how easy it is to operate with one hand, even while wearing work gloves. The voltage measurements up to 1000V and current readings up to 10A cover most situations I encounter in the field.

The resistance, continuity, and capacitance functions work reliably for troubleshooting various electrical issues. However, the display could be slightly larger for better visibility in dimly lit spaces.

Battery life has been solid with the included AA batteries lasting through extended work sessions. The build quality feels sturdy enough to handle regular jobsite use without concern.

Bottom Line

The Fluke 15B+ delivers the accuracy and durability needed for professional electrical work. Its comprehensive measurement capabilities and user-friendly design make it a practical choice for technicians and electricians. The multimeter is not without some cons though. This meter is noticeably bulky compared to compact alternatives like the 101+ and the basic package lacks useful additions like a magnetic hanger or protective case.

Read on for the complete review

Overview of the Fluke 15B+ Digital Multimeter

After putting this meter through its paces on various electrical projects, I found it delivers solid performance for everyday troubleshooting work. The 15B+ handles the essential measurements you need, including AC/DC voltage up to 1000V and current readings up to 10A.

Key Measurement Capabilities:

• Voltage testing (AC/DC)
• Current measurement
• Resistance checking
• Continuity testing
• Capacitance readings
• Diode testing

The CAT III 600V safety rating gives me confidence when working on residential and commercial electrical systems. I appreciate how the single-hand operation works well, even when wearing work gloves.

The yellow housing feels sturdy enough for job site use, though it’s not the most rugged meter in Fluke’s lineup. Battery life with the two AA cells has been reasonable during my testing periods.

For basic electrical work, the 15B+ covers the fundamentals without unnecessary complexity.

Key Features

After testing the 15B+ extensively across different electrical projects, I found several standout features that make this multimeter reliable for both professional and DIY work.

CAT III 600V Safety Rating

The safety rating impressed me during my work on residential electrical panels. This CAT III 600V certification means I could confidently measure circuits in standard home and commercial environments without worrying about dangerous voltage spikes.

I noticed the meter handled voltage transients well when testing outlet circuits and breaker panels. The safety rating provides peace of mind when working on distribution panels and motor circuits where unexpected voltage surges can occur.

AC/DC Voltage Measurement up to 1000V

Testing both AC and DC systems up to 1000V proved straightforward with clear, stable readings. I used this range extensively on automotive 12V systems, household 120V circuits, and even some 240V appliances.

The voltage measurements remained accurate across the full range. Switching between AC and DC modes responded quickly, and the display updated fast enough for real-time troubleshooting work.

AC/DC Current Measurement up to 10A

The 10A current measurement capability handled most of my electrical diagnostic needs effectively. I tested motor startup currents, circuit loading, and parasitic drain measurements with consistent results.

One limitation I encountered was the lack of higher current ranges for heavy-duty applications. The 10A maximum works well for most residential and light commercial work but falls short for industrial equipment testing.

The current measurement accuracy helped me identify overloaded circuits and faulty components during troubleshooting sessions.

Voltage, Resistance, Continuity, and Capacitance Functions

These core measurement functions covered nearly every diagnostic scenario I encountered. The resistance measurements proved accurate for component testing and wire integrity checks.

Continuity testing responded quickly with both audible and visual indicators. I appreciated the fast beep response when checking connections and tracing circuits through junction boxes.

The capacitance function worked well for basic capacitor testing on HVAC equipment and small motors. While not as comprehensive as dedicated capacitance meters, it handled standard troubleshooting tasks effectively.

Resistance measurements remained stable and accurate across different ranges. I used this feature extensively for checking heating elements, motor windings, and component values during repair work.

User Experience and Ease of Use

Operating this multimeter feels intuitive from the moment I picked it up. The large, clear display makes readings easy to spot even in dim lighting conditions.

I appreciate how the rotary dial clicks into position with satisfying precision. However, I found it slightly annoying that continuity testing requires pressing an additional button after selecting the position on the dial.

The device feels substantial in my hands without being overly bulky. Battery life has been impressive during my testing – I haven’t needed to replace the battery despite regular use over several months.

Key usability aspects:

• Display: Large, backlit screen with clear digits
• Controls: Solid rotary selector with precise detents
• Size: Comfortable grip, though larger than compact models
• Battery: Long-lasting power with low battery indicator

The button layout is logical, and I rarely need to reference the manual for basic functions. The probe leads connect securely without wiggling loose during use.

Build Quality and Durability

The solid construction immediately stands out when you pick up the 15B+. The yellow housing feels robust in hand, with thick plastic that doesn’t flex under pressure. I’ve dropped it a few times on concrete floors during projects, and it shows minimal wear beyond some scuff marks.

Key Build Features:

• Weight: Substantial 460g feel indicates quality components
• Housing: Thick yellow plastic resistant to impacts
• Display: Large, clear screen that remains readable in various lighting
• Controls: Selector dial operates smoothly with positive detents

The battery compartment closes securely and the test lead jacks feel tight. After months of regular use, the selector switch still clicks into position without any looseness. The only minor concern is the display bezels could potentially collect dust over time, but this hasn’t affected functionality. Overall construction quality matches Fluke’s reputation for making meters that last years in professional environments.

Pros and Cons

After spending time with this multimeter across various electrical projects, I’ve developed a clear picture of its strengths and limitations. My experience testing circuits, diagnosing automotive issues, and general troubleshooting has revealed both impressive capabilities and some areas where compromises were made.

Pros

Accuracy and Reliability
The measurement precision consistently impressed me during testing. Voltage readings stayed stable and matched reference measurements within expected tolerances.

Safety Features
The CAT III 600V rating provides confidence when working on residential and commercial electrical systems. I felt secure knowing the safety standards were properly implemented.

Display Quality
The large, clear screen makes readings easy to interpret even in poor lighting conditions. Numbers appear crisp and the contrast remains excellent from multiple viewing angles.

Build Quality
The meter feels substantial and well-constructed. After several months of regular use, including some drops, it continues functioning without issues.

Battery Life
I’ve been surprised by how long the batteries last with regular use. The auto-shutoff feature helps conserve power during busy work sessions.

Cons

Size and Portability
This meter is noticeably bulky compared to compact alternatives. Carrying it in a tool bag takes up considerable space.

Button Interface
Accessing continuity mode requires pressing a button after selecting the position on the dial. This extra step becomes tedious during repetitive testing.

Accessories Not Included
The basic package lacks useful additions like a magnetic hanger or protective case. These accessories require separate purchases.

Limited Advanced Features
While it covers essential functions well, users needing specialized measurements may find the feature set restrictive compared to higher-end models.

Customer Reviews

After diving into hundreds of customer experiences, I found that the 15B+ consistently earns praise for its reliability and accuracy. Most users highlight the large, easy-to-read display as a standout feature that makes measurements quick and clear.

Common Positives:

• Excellent build quality and durability
• Simple operation for both beginners and professionals
• Outstanding battery life
• Clear, bright display

Notable Concerns:

• Requires button press to access continuity mode after dial selection
• Larger physical size than some competitors
• Magnetic hanger and case sold separately

The feedback reveals this meter works well for automotive technicians, electricians, and DIY enthusiasts alike. Several users mentioned it strikes the right balance between professional accuracy and everyday usability. The 4.8-star rating from over 450 reviews reflects consistent satisfaction, with most complaints being minor convenience issues rather than performance problems.

Conclusion

After spending considerable time with the 15B+, I’m convinced it delivers solid value for both professionals and serious DIY enthusiasts. The display clarity impressed me most – readings are sharp and easy to interpret even in poor lighting conditions.

Key Strengths:

• Reliable accuracy across all measurement functions
• Durable construction that handles daily use
• Intuitive interface with logical button placement
• Extended battery life reduces downtime

The size feels substantial in hand, which some may find bulky for tight spaces. I also noticed the continuity function requires an extra button press after dial selection, which slows workflow initially.

For automotive techs, electricians, and hobbyists needing dependable measurements up to 1000V, this meter hits the sweet spot. The price point makes it accessible without sacrificing the quality Fluke is known for. While you’ll want to budget for accessories like a magnetic hanger and protective case, the core unit performs admirably out of the box.

Frequently Asked Questions

After using the 15B+ extensively, I’ve encountered several common questions that come up when people are considering this multimeter.

What are the key features and functions of the Fluke 15B+ Digital Multimeter?

The 15B+ covers all the essential measurement functions I need for electrical work. It measures both AC and DC voltage up to 1000V, which handles everything from household circuits to industrial applications.

Current measurement goes up to 10A for both AC and DC, making it suitable for diagnosing electrical problems like overloading or faulty wiring. The dedicated input terminal for current measurements provides accurate readings across various applications.

Core Functions Include:

• Resistance measurement
• Continuity testing with audible beep
• Diode testing
• Capacitance measurement

The CAT III 600V safety rating ensures protection when working on residential and commercial electrical systems. I find the one-handed operation particularly useful, and it works well even when wearing gloves.

How does the Fluke 15B+ compare to other models like the Fluke 17B+ or Fluke 115?

The 15B+ sits as the entry-level option in Fluke’s lineup, but it doesn’t feel like a compromise. Compared to the 17B+, you’re missing frequency measurement and temperature capabilities, but the core electrical functions perform just as reliably.

The Fluke 115 offers more advanced features like True RMS and better accuracy specifications. However, for general electrical work, I haven’t found the 15B+ lacking in performance.

Key Differences:

Feature	15B+	17B+	115
Voltage Range	1000V	1000V	600V
Current Range	10A	10A	10A
Temperature	No	Yes	No
True RMS	No	Yes	Yes
Price Point	Entry	Mid	Higher

What is the maximum voltage the Fluke 15B+ can measure?

The 15B+ handles voltage measurements up to 1000V for both AC and DC. This range covers most electrical applications I encounter, from automotive systems to electrical panels and commercial equipment.

The CAT III 600V safety rating means it’s designed for measurements on distribution panels and circuit breakers in fixed installations. I appreciate having the higher voltage capability even though most residential work stays well below these limits.

Where can I find the manual for the Fluke 15B+ Digital Multimeter in PDF format?

Fluke provides the official manual through their website’s support section. I downloaded mine directly from fluke.com by searching for the 15B+ model number.

The manual includes detailed operating instructions, safety guidelines, and troubleshooting information. You can also find it by entering the model number FLUKE-15B+ in their product support database.

Are there any common issues with the Fluke 15B+ that users should be aware of?

From my experience and observations from other users, the 15B+ proves quite reliable. The most common concern involves the button required to switch to continuity mode after selecting it on the dial, which takes some adjustment.

Battery life performs well with the included AA batteries, though some users prefer having a magnetic hanger and carrying case, which aren’t included. The size feels substantial, which some find bulky but I appreciate for durability.

Minor Considerations:

• Large size may not fit in smaller tool pouches
• Continuity function requires button press after dial selection
• No backlight for low-light conditions

What accessories are available for the Fluke 15B+ and are they included with the multimeter?

The 15B+ comes with test leads and two AA batteries. That’s sufficient to start using it immediately, but several accessories enhance the experience.

A magnetic hanger proves useful for hands-free operation when working on panels. Carrying cases protect the meter during transport, though the build quality handles normal job site conditions well.

Available Accessories:

• Magnetic hanger for hands-free use
• Protective carrying cases
• Alligator clip test leads
• Temperature probes (though the 15B+ doesn’t measure temperature)

The basic package covers most needs, but I found the magnetic hanger worth purchasing separately for convenience during electrical panel work.