Top 5 Multimeters with True RMS: A Detailed comparison

Multimeters are popular tools in electrical professions, enabling accurate measurement of voltage, current, resistance, and more. If you need precise measuring, True RMS multimeters are a must-have. but which one is better for your needs? In this comparison, we’ll explore the Top 5 Multimeters with True RMS, focusing on their accuracy, durability, and versatility and mentioning their pros and cons,  just to help you decide which one suits your needs best.

1. FLUKE 87V MAX Epic True-RMS Digital Multimeter

The FLUKE 87V MAX is known for its rugged and industrial design, making it a top choice for professionals working in harsh environments. This model has an IP67 rating, meaning it is waterproof and dustproof, which adds to its appeal for fieldwork. Its drop resistance of up to 4 meters provides added durability, ensuring it can withstand rough handling.

Key Features:

• Accurately measures AC voltage and current, even in noisy environments.
• The 20,000-count display gives detailed readings, making it ideal for precision work.
•  Comes with a built-in thermometer to measure temperature.
•  IP67 waterproof rating and drop resistance up to 4 meters.
• True-RMS AC voltage and current for accurate measurements of non-linear signals
• Measure up to 1000 V ac and dc
• Measure up to 10 A (20 A for 30 seconds)
• Frequency to 200 kHz
• Built-in thermometer conveniently allows you to take temperature readings without having to carry a separate instrument
• Min/Max/Average recording, plus 250 μs Peak min-max to capture variations automatically
• Unique function for accurate voltage and frequency measurements on variable frequency motor drives (VFDs) and other electrically noisy equipment
• This electrical multimeter has large display digits, a 2-level bright white backlight, and backlit keypad buttons for increased visibility
• Hi resolution 19,999 count display mode
• Long battery life (800 hours)

Pros:

• Exceptionally rugged design.
• Precise measurements even in high noise environments.
• Wide range of functions including temperature measurement.

Cons:

• Heavier and bulkier compared to other models.
• Higher price point.

FLUKE 87V MAX Epic True-RMS Digital Multimeter

If you want to better understand the differences between RMS and True RMS and how they affect measurement accuracy, read the article RMS vs True RMS.

2. FLUKE 177 True-RMS Digital Multimeter with true RMS

The FLUKE 177 is one of the Top 5 Multimeters with True RMS and a well-rounded multimeter offering high precision and durability. It’s considered one of the most accurate in its class, making it perfect for professional and DIY applications. While it’s not as rugged as the 87V MAX, it still boasts a durable build.

Key Features:

• Ensures accurate readings even with fluctuating loads.
• Offers flexibility in different measurement scenarios.
• The bright display makes it easy to read even in low-light environments.
• Increases productivity with manual and automatic ranging, Display Hold, Auto Hold, and Min/Max-average recording
• Delivers accurate True-RMS AC current and voltage plus frequency, capacitance, resistance, continuity and diode measurements
• Features digital display with backlight for working in dim lighting
• Allows closed-case calibration through the front panel
• Features an ergonomic case with an integrated protective holster
• Comes with a limited lifetime warranty

Pros:

• High accuracy across a wide range of measurements.
• User-friendly interface with a clear, backlit display.
• Lightweight and portable.

Cons:

• It’s not as rugged as other Fluke models.
• Lacks advanced features like temperature measurement.

3. Fluke 117 Electricians Multimeter

Designed specifically for electricians, the Fluke 117 is a compact and highly versatile multimeter that found his way to our Top 5 Multimeters with True RMS list. Its built-in features like non-contact voltage detection and automatic AC/DC voltage selection make it particularly handy for quick and safe electrical inspections.

Key Features:

• VoltAlert Technology Allows for non-contact voltage detection.
• Smaller and lighter than many other professional-grade multimeters.
• Accurate, easy-to-use multimeter with integrated VoltAlert™ technology for non-contact voltage detection
• Provides low input impedance to help prevent false readings due to ghost voltage
• Presents a large white LED backlight for working in poorly lit areas
• Features True RMS capabilities for accurate measurements on non-linear loads
• Measures 10 A (20 A overload for 30 seconds)
• Measures resistance, continuity, frequency, and capacitance
• Provides Min/Max/Average to record signal fluctuations
• Comes with a holster with probe holders for easy storage
• Features a compact ergonomic design for one-handed operation
• Fits into optional ToolPak™ magnetic hanger for hands-free operation
• CAT III 600 V safety rated
• A large white LED backlight to improve measurement visibility in poorly lit areas
• For commercial electricians, commercial and residential electrical work

Pros:

• Ideal for electricians with features like non-contact voltage detection.
• Compact and lightweight, easy to carry around.
• Simple interface with one-handed operation.

Cons:

• Limited functionality for more advanced technical applications.
• No temperature measurement.

FLUKE 177 True-RMS Digital Multimeter with true RMS

4. Kyoritsu KEW 1051 Digital Multimeter with true RMS

The Kyoritsu KEW 1051 is known for its precision and ease of use, offering advanced measurement options for professionals working in electronics and power systems. With its CAT IV rating, it ensures safety when dealing with high-voltage equipment, making it a solid choice for industrial applications and truly one of the Top 5 Multimeters with True RMS.

Key Features:

• CAT IV 600V Rating means a High safety rating, making it suitable for demanding environments.
• Data Logging that Allows for extended recording of measurements over time.
• True-RMS Measurement Ensures accurate readings in varied conditions.
• 0.09% basic DC accuracy
• Large display with 6,000 counts
• Low-pass filter for motor drive measurements
• User calibration function
• Terminal shutter to prevent incorrect test leads’ insertion in current terminals
• Extensive operating temperature range from -10 to 55ºC

Pros:

• High safety rating with CAT IV protection.
• Advanced functionality with data logging.
• Precise and reliable measurements.

Cons:

• The more complex interface can be challenging for beginners.
• Heavier than some other models.

Kyoritsu KEW 1051 Digital Multimeter with true RMS

5. Extech EX530  Industrial Multimeter with true RMS

The Extech EX530 is a robust and highly functional multimeter that caters to industrial users and has a place among the Top 5 Multimeters with True RMS. It offers a wide range of measurement capabilities, from AC/DC voltage to temperature, making it highly versatile. This model is also rugged, with a drop-test rating and a double-molded housing.

Key Features:

• True-RMS Measurement that Provides accuracy when measuring complex loads.
• Includes a type-K thermocouple for measuring temperature.
• Double-molded housing and a 6-foot drop-test rating make it ideal for industrial use and housing for waterproof protection.
• True RMS DMM with 11 functions and 0.06% basic accuracy
• AC/DC Voltage & Current
• Resistance
• Capacitance
• Frequency
• Duty Cycle
• Diode/Continuity
• Dual sensitivity frequency functions (electrical/electronic)
• 1000V input protection on all functions
• 20A max Current
• Min/Max, Data hold, Relative, Auto power off
• Peak Hold
• 40,000 count large backlit LCD with bar graph

Pros:

• Affordable, given the range of features and durability.
• Wide range of measurement functions.
• Rugged and durable, suitable for harsh environments.

Cons:

• Bulkier than other models.
• The display could be clearer, especially in low-light conditions.

Extech EX530  Industrial Multimeter with true RMS

Detailed Feature Comparison of Top 5 Multimeters with True RMS

To sum up

Choosing the right multimeter depends on your specific requirements. The FLUKE 87V MAX excels in durability and versatility, making it ideal for fieldwork and harsh conditions. If you need high accuracy but don’t require extreme ruggedness, the FLUKE 177 offers excellent performance at a more affordable price. The Fluke 117, with its compact design and VoltAlert technology, is perfect for electricians who prioritize convenience and safety.

For industrial applications, the Kyoritsu KEW 1051 and Extech EX530 provide advanced features and durability. The KEW 1051 stands out with its high safety rating and data logging capabilities, while the Extech EX530 offers an excellent balance of ruggedness and affordability.

If you need more help choosing the right multimeter for your needs, make sure to visit our website mme-ae.com where you can have access to every datasheet on every multimeter u choose to buy and get consult from our online customer support.

If you want a more comprehensive understanding of multimeters, check out the article Everything about Multimeters.