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The 8 Best true rms multimeters of 2025

Are you trying to find true rms multimeters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling true rms multimeters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 51 true rms multimeters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best true rms multimeters you can buy today

No. 1
True RMS Digital Multimeter Tester, Auto-Ranging AC DC 20A Ohmmeter 1000V Voltmeter with NCV, Measure Voltage Current Amp Resistance Diode Continuity Duty-Cycle Capacitance Temperature, for Home Auto
163 Consomer Reviews
True RMS Digital Multimeter Tester, Auto-Ranging AC DC 20A Ohmmeter 1000V Voltmeter with NCV, Measure Voltage Current Amp Resistance Diode Continuity Duty-Cycle Capacitance Temperature, for Home Auto
  • 🎁【HIGH PERFORMANCE】 The Multimter measure up to 1000V AC/DC voltage, 20A AC/DC current and 60M Ohms resistance, Non-contact voltage testing, capacitance, continuity, frequency, Transistor hFE, diode, temperature and battery checking. This DMM is a must have for home improvement, industrial, automotive and household electrical problems.
  • 🎁【AUTO-RANGING MEASURE】This auto-ranging multimeter. First and foremost what makes that great is that you no longer have to set your dial based on a range, it detects it automatically. As long as you aren’t testing something above the maximum voltage, you are good to go. Using a multimeter obviously isn’t quite that simple, but they definitely made it as easy as possible.
  • 🎁【NO CONTACT VOLTAGE TEST】 This electrical tester is designed with safety in mind. It features non-contact voltage testing and Live function with sound and light alarm, works for outlets, sockets and terminals without touching any wires, more safe and reliable.
  • 🎁【6000 COUNTS TRUE RMS ACCURATELY DISPLAY】 Upgraded high accuracy chip and TRUE RMS(root mean square), provides higher range and more accurate readings, which makes the digital multimeter become an excellent helper for electrical testing.
  • 🎁【SAFETY COMPLIANCE】Meeting 1000V CAT II, 600V CAT III safety standards. 2 fuses to protect all ranges with 600mA/250V fuse and 20A/250V, which gives you double effectively protection. Silicone protective case provides comfortable grip, and prevent it from falling or bumping damage,it is more secure and reliable.
  • 🎁【USER-FRIENDLY DESIGN】Convenient features like Data Hold, Large LCD Backlit Screen, support stand, test leads holder, and flashlight function make taking and recording measurements easier than ever before.
  • 🎁【PACKING LIST】1x multimeter tester, 1x probe test leads, 1x Thermocouple, 2x Safety tubes, 4x AAA batteries,1x storage bag, 1x User manual
SaleNo. 2
Fluke 179 Multimeter with Backlight, Includes Built-In Thermometer to Measure Temperature, Measures True-RMS AC Current and Voltage, Frequency, Capacitance, Resistance, Continuity and Diode
  • Robust, fast and accurate with manual and automatic ranging, Display Hold, Auto Hold, and Min/Max-Average recording
  • Backlit digital display, analog bar graph, and built-in temperature measurements with included thermocouple.
  • 1000V AC/DC; 10A AC/DC (with test leads and current jacks); resistance to 50 M℩; capacitance to 10,000 ÎŒF, frequency to 100 kHz; temperature from -40 ℃ to 400 ℃
SaleNo. 3
Fluke 87V MAX True-RMS Digital Multimeter, Rugged, Waterproof and Dustproof IP67 Rated, Up to 800 Hour Battery Capacity, Built-In Thermometer, Withstands Drops Up To 13 Feet, Includes TL175 Test Leads
  • True-RMS accuracy with all functions of 87v and upgraded test leads.
  • Fully waterproof and dustproof with IP67 rating and 4-meter drop proven. Built to take too harsh and extreme environments.
  • Safety rated CAT III 1000 V, CAT IV 600 V meter to get you home safely from the job.
  • Lifetime, backed by a brand you trust.
No. 4
UNI-T Digital Multimeter UT161B, True RMS 6000 Counts 1000V AC/DC NCV, Measures Voltage Current Resistance Capacitance Frequency Duty Cycle, Tests Diodes Transistors
  • Reliable 6000 Counts Digital Multimeter. AC/DC voltage up to 1000V, AC/DC current up to 10A, resistance, capacitance, frequency, duty-cycle, diode test, continuity buzzer, bandwidth, etc
  • True RMS. accurately measures voltage and current in all conditions, including noisy environments affected by harmonics. Diagnose automotive, industrial and household electrical issue in a breeze
  • Safety rating: CAT III 1000V/CAT IV 600V. Input protection. Audible and visible alarm that provide warning especially when measuring high voltage/current. Non-Contact Voltage detection (NCV)
  • Easy access to UNI-T 7/24 1 to 1 user support. If you encounter any problems during use, please contact us first (via e-mail) and our customer service team will deal with your problem as soon as it is received
  • What You Get: 1 x UT161B multimeter, 1 x test leads (pair), 1 x USB cable, 1 x paper manual (En), 1 x eManual (En), 1 x packaging box
SaleNo. 5
Fluke 87V MAX/E2 KIT True-rms Digital Multimeter Combo Kit
  • True-RMS accuracy with all functions of 87V plus premium test leads, Tool Pak hanging kit, and soft carrying case.
  • Fully waterproof and dustproof with IP67 rating and 4-meter drop proven; built to take to harsh and extreme environments.
  • Safety rated CAT III 1000 V, CAT IV 600 V meter to get you home safely from the job.
  • Lifetime , backed by a brand you trust.
SaleNo. 6
Fluke 177 True-RMS Digital Multimeter
  • 6000 counts, updates 4 x second digital and 33 segments, updates 40 x second analog bar graph display
  • Automatically turns off after 2 minutes to save battery life; the timeout feature can be disabled by a power up option
  • Hold: Feezes the display at the push of a button; Auto hold: Display holds present reading until it detects the new stable input, then the meter beeps and displays new reading
  • Minimum, maximum, and average reading memory; in auto range, the meter selects the range with the best resolution for the present measured value
  • The message "Lead" appears briefly on the display when the rotary switch is moved to or from any a (amps) position
  • Manual and automatic ranging with display hold and auto hold
  • Frequency and capacitance measurements; resistance, continuity and diode measurements
  • Min max, average recording
  • Closed case calibration through front panel
  • Ergonomic case with integrated protective holster
  • Manual and automatic ranging with display hold and auto hold
  • Frequency and capacitance measurements; resistance, continuity and diode measurements
  • Min max average recording
  • Closed case calibration through front panel
  • Ergonomic case with integrated protective holster
SaleNo. 7
Fluke 113 True-RMS Utility Multimeter
  • Digital multimeter measures AC/DC voltage, resistance, and capacitance and performs continuity and diode tests
  • True RMS meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has a sinusoidal or non-sinusoidal waveform
  • Simultaneously checks for voltage and continuity
  • Manual and auto ranging modes for user flexibility
  • Safety rated for Category III to 600Volts and Category IV to 300 Volts
  • English (Publication Language)
SaleNo. 8
Fluke 1587 FC 2-in-1 Insulation Multimeter, True-RMS, Selectable Insulation Test Voltages Up To 1000 V, Pi/DAR Timed Ratio Tests, Measures Frequency, Includes Low-Pass Filter For Motor Drive VFD
  • PI (polarity index) /DAR (dielectric absorption ratio) with Trend It graphs identifies problems faster
  • Memory storage through mobile Fluke Connect Measurements App eliminates writing down results, reduces errors and saves data for historical tracking over time
  • Temperature Compensation through App helps establish accurate baselines and relevant historical comparisons
  • VFD low pass filter for accurate motor drive measurements; Includes auto discharge of capacitive voltage for added user protection
  • Insulation test voltages 50 V, 100 V, 250 V, 500 V, 1000 V
No. 9
Fieldpiece Compact HVACR Clamp Multimeter SC260 – True RMS Clamp Meter with Temperature, Capacitance & Backlight
1,370 Consomer Reviews
Fieldpiece Compact HVACR Clamp Multimeter SC260 – True RMS Clamp Meter with Temperature, Capacitance & Backlight
  • Compact clamp meter SC260 is designed for electrical HVACR service in hot & cold environment
  • Durable clamp meter with higher accuracy VAC & AAC readings, True RMS, temperature, capacitance and backlight
  • Non-contact voltage (NCV) & amperage readings, continuity warning & diode test
  • Auto Select mode: Meter automatically detects when measuring capacitance or resistance measurements.
  • Sturdy swivel magnet for hands free measurements
No. 10
Extech EX355 True RMS Professional MultiMeter with NCV and Temperature Measurements
  • True RMS for accurate AC measurements
  • LoZ prevents false readings caused by ghost voltages
  • Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
  • Built-in Non-contact AC Voltage Detector (NCV) with LED indicator
No. 11
Digital Clamp Meter, MESTEK Clamp Multimeter Voltmeter Tester Amp Volt Meter, Auto-ranging NCV True RMS 6000 Counts, Measures AC DC Current Voltage Resistance Capacitance Temperature Diodes Continuity
  • True-RMS AC DC Clamp Meter: MESTEK clamp meter can accurately measures max 600A AC/DC current, 600V AC/DC voltage, resistance, capacitance, continuity, temperature, diode; A useful troubleshooting tool that will help you solve electrical problems in the car, industrial or at home quickly and safely, perfect for electricians, DIY, professionals, etc
  • Non-contact Voltage Testing: Non-Contact Voltage (NCV) detector can easily and quickly determine whether there is a voltage, without touching any wires. Simply push the NCV button with your thumb.The clamp meter has VFD and LoZ modes that can provide more accurate readings
  • Easy to Read: The AC/DC clamp meter has a Backlit screen and LED flashlight so you can see the readings when working in dim or low-light conditions,like electrical closets, under buildings, behind appliances, and in other enclosed spaces,convenient LED flashlight illuminates a dimly lit area
  • Multi-Function: Digtal backlit LCD display & LED Flashlight, Temperature Measurement for liquids and air conditioning ports, Low Battery Indication, Data Hold, True-RMS, Automatic Range, SEL fuction, Auto power off after 10 minutes inactivity, Zero function decreases the data error influenced by the Earth’s magnetic field, and helps you to obtain a more accurate measurement, Non-contact AC voltage detection, Full range overload protection, 2 x 1.5 V AAA batteries included
  • Safety First: The clamp multimeter has passed overvoltage category CAT III 1000V, CAT IV 600V, and CE safety standards. and it has overload protection on all ranges. (Operation notePlease take off the cap before using the test leads)
  • Customer Service: MESTEK provides 24 months after-sale service and technical support, 7/24 customer service. If the clamp meter is damaged within 24 months of purchasejust contact us and we replace it! Package includes clamp multimeter, test leads, thermocouple, screwdriver, multimeter hard case, batteries and user manual
No. 12
UNI-T Multimeter Tester True RMS UT60BT Temperature Measurement,NCV,Duty Cycle,Diode Test,Digital Voltmeter & Ohm Meter,Smart Multimeter 1000V for Electrical Troubleshooting
  • Smart multimeter: Connects to your smartphone via Bluetooth, allowing you to remotely view and log measurements. No need for writing down readings or manual calculations
  • Comprehensive measurement capabilities: measures AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, diode check,continuity, temperature, NCV and more
  • This digital multimeter tester also has a data hold function that allows you to freeze measurements on the screen and review them later, making it easier to diagnose difficult issues. Your go-to digital multimeter
  • UNI-T quality and reliability: As one of the trusted brands in the electrical testing industry, this Uni-T digital multimeter offers accurate and consistent readings for your electrical measurement needs.9999 counts display, true RMS and fast ADC (3 times/s)
  • Full Featured false detection protection for up to 1000V surge and overvoltage overcurent alarm,multimeter with low power consumption to effectively extend battery life to 500 hours
  • User-friendly interface: The LCD screen with a backlight makes it easy to read measurements even in low light settings. Its compact design lets you take it anywhere, hassle-free
  • Easy access to UNI-T 7/24 1 to 1 user support. If you encounter any problems during use, please contact us first (via e-mail) and our customer service team will deal with your problem as soon as it is received
  • Versatile volt meter: Takes precise voltage measurements, suited for automotive, DIY electronics projects, household electrical works, and many other applications. Use it as an ohm meter multimeter or voltmeter digital as well
No. 13
Extech EX410A Professional True RMS Multimeter with 11 Functions
  • Averaging DMM with 8 functions and 0.5% basic accuracy
  • AC/DC voltage & current, resistance, temperature, diode/continuity
  • Input fuse protection and mist-connection warning
  • 10A max current
  • Type K temperature measurements
No. 14
OWON XDM1241 Portable Digital Multimeter,3.5in Desktop Digital Multimeters, 55000 Counts LCD True RMS Temperature Tester Meter for Instruments and Laboratories, Factories
  • EASY TO USE: The digital multimeter can test AC / DC current, AC / DC voltage, resistance, capacitance, etc, with diode testing, continuity, temperature and other functions.
  • REMOTE CONTROL: Manual or auto record the measured data into internal memory, and displayed in table SCPI supported, remote control the multimeter through PC software USB port.
  • WIDE USE: The true RMS multimeter is made of high quality ABS meterial, an excellent tool for instruments and laboratories, factories, radio enthusiasts and families.
  • REPLACEABLE FUSE: Anti-burn design, safe and reliable. The line fuse is in the plastic fuse box below the power line input on the panel. Equipped with spare fuse, more convenient and cost-effective to replace the fuse.
SaleNo. 15
Fluke 289 True-RMS Stand Alone Logging Multimeter
  • Share results with your team using ShareLive video call (requires ir3000 FC wireless connector [sold separately] and no-cost Fluke Connect mobile app).
  • TrendCapture graphically displays logged data session to quickly determine whether anomalies may have occurred. Zoom on trend provides unprecedented ability to view and analyze TrendCapture data; zoom in up to 14 times.
  • Selectable AC filter (smoothing mode) helps display a steadier reading when the input signal is changing rapidly or noisy.
  • Low Pass filter for accurate voltage &frequency measurements at the same time on adjustable speed motor drives and other electrical equipment. LoZ voltage function for eliminating ghost voltages when testing for absence or presence of live power.
  • Large 50,000 count, 1/4 vga display with a white Backlight. Measure up to 10 A (20 A for 30 seconds). 100 mF capacitance range.
No. 16
BTMETER BT-39C True RMS Multimeter, Auto Range Digital Avometer 6000 Counts Accurate Measures AC/DC Amps, Volts, Ohms, Capacitance,Frequency with Auto Backlight, NCV Temp Test
  • 【High Accuracy & Wide Range】6000 Counts display, sampling time 2-3/sec,so it can accurately measure DC Voltage 600.0mV ~ 600V, AC Voltage 6.000V ~ 600V, AC/DC Current 600mA ~ 10A, Resistance 600 ohm~60M ohm, Capacitance 9.999nF ~ 99.99mF, Temperature -4 ~ 1832℉, Frequency 9.999Hz ~9.999MHz, Duty Cycle 0.1%~99.9%, Battery test 1.5V/9V
  • 【Multifunctional Electrical Voltmeter】 It functions Continuity (Beep with Light Flashing), Non-contact Voltage test, Data Hold, Auto Back Light, Auto Shut OFF, Relative Value, Battery Test, Diode Test, it can even switch between Manual / Auto Ranging, it’s a large read out display multimeter ideal for home use, hobbyist.
  • 【“REL” for Zeroing Out】 Press “REL” button to zero out the meter before measurement, the multimeter will test out the most accurate readings, especially useful for measurement micro reading subject.
  • 【Intelligent Auto Backlight】The voltmeter can sense the ambient brightness and turn ON/OFF the backlit screen, which saves the trouble to turn on/off manually all the time. It can also display the environment temp, and comes with a temperature probe for temp measurements both ℃ and ℉.
  • 【4 Different Ways to Read】Built with a rear magnet & Kick Stand & wrist/hang strap, allows you hang the meter upright for better viewing, tie it on your wrist, affix it to a metal surface (breaker box) etc. to free your hands for taking measurements
No. 17
Klein Tools CL810 Pro Digital Clamp Meter with Flashlight and Illuminated Dial, 600A AC/DC Auto-Ranging, True RMS, NCVT, Measures Current, LOZ,Temperature
  • ACCURATE AND RELIABLE PRECISION: Clamp meter delivers precise readings for various applications and complex signals with True RMS technology and LoZ (Low Impedance) mode
  • DURABLE METER FOR DIVERSE APPLICATIONS: Measures AC/DC voltage, current, resistance, micro amps, temperature, diode test, continuity, capacitance, frequency/duty cycle, and inrush with 6.6-Foot (2 m) drop protection and IP40 ingress protection
  • ENHANCED VISIBILITY: Transflective reverse-contract display for clear data in any light; lighted dial ensures clear visibility and easy reading in low-light environments
  • BUILT IN WORKLIGHT: Illuminate work area to enhancing visibility in dark or confined spaces
  • NON-CONTACT VOLTAGE DETECTION: Integrated into the clamp jaw with audible and visual indicators that intensify near the voltage source
  • ADDITIONAL FEATURES: Offers Max/Min values, relative mode, DC zero function, data hold, auto power-off, integrated lead holder, worklight, and a mount for an optional magnetic attachment
  • COMPLETE PACKAGE: Includes carrying case, test leads with CAT III/CAT IV safety caps, thermocouple, instructions, and 3 x AAA batteries
SaleNo. 18
Fluke 287 True-RMS Electronics Logging Multimeter
  • Auto and manual ranging, datalogging digital multimeter measures voltage, current, resistance, frequency, capacitance, temperature, conductance, pulse width, and duty cycle
  • True RMS meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has a sinusoidal or nonsinusoidal waveform
  • Datalogging features include minimum, maximum, and average, on screen graphing, real time clock, data hold, and data export to a computer
  • Backlit LCD displays multiple measurements simultaneously and plots measurements on a single line to detect signal anomalies over time
  • Specifications include European Conformity (CE) marking, UL, CSA, IEC safety standard 61010 and is certified for Category I installations up to 1000V and Category II installations up to 300V, IEC/EN 61010 1 2nd edition for 1 meter drop
  • Logging features designed for unattended monitoring
  • On board help screens for measurement functions
  • Multi lingual interface
No. 19
Fluke True-Rms -115 Multimeter
  • This product requires 1 product_specific batteries/batteries, which are already included
  • Large white backlit LED display for working in low light areas/ Resistance and continuity/ Min/Max/Medium to record signal fluctuations/ CAT III 600V Safety Rating / Safety Compliance / All inputs are protected according to CE, IEN61010-1, CAT III 600V. Listed on UL, CSA, TÜV and VDE
No. 20
UNI-T AC/DC Modern Digital Auto Ranging Multimeter (Multitester True RMS)
  • Powered by RioRand Advanced Technology
  • True RMS Mustimeter with RS232 Connected with Computer, Full Features
  • Capacitance and Frequency Measurement Recorded in to your computer
  • Relative Measurement makes easy for True value you need
  • Heavy Duty Protection Built-in Holster for Field Work

How to choose a good true rms multimeters

Does the idea of finding a fantastic true rms multimeters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in true rms multimeters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top true rms multimeters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top true rms multimeters on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top true rms multimeters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top true rms multimeters based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the true rms multimeters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good true rms multimeters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your true rms multimeters.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting true rms multimeters for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our true rms multimeters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what true rms multimeters should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on true rms multimeters.