Best True Rms Clamp Meters in 2026

True-RMS clamp meter: This multimeter can accurately measure AC/DC Current, AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads. Easy to use for labs factories and household.

LowZ & LPF: Low input impedance helps prevent false readings due to ghost voltage. Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals when measuring motors and transformer. To measure the current you need to clamp the meter around one of the wires and not the whole power cord.

NCV Detection Function: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires; The NCV button lies on the right side. Simply place your thumb on it and push.

Digital clamp meter measures ac current to 400 amp, ac and dc voltage to 600v, and resistance to 4 kilohms

True RMS sensing meter provides accurate readings when measuring linear or non linear loads, regardless of waveform

Jaw opening measures current in a conductor upto 30 millimeter without touching or interrupting the circuit

Digital clamp meter measures AC current to 400 amp, AC and DC voltage to 600 v, and resistance to 4 kilo ohms. Does not measure DC current

The true RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform

Jaw opening measures current in a conductor up to 30 millimeter without touching or interrupting the circuit. Resistance accuracy: 1.0% ± 5 digits

Connect your meter to your smartphone with Fluke Connect Measurements

Read measurements on your phone at a safe distance, wearing less PPE while your meter takes all the risks

Record results directly to your phone and the cloud

200 dc current measurements to measure flame rod

Extended resistance range to measure thermistors up to 60k

Capture flue gas temperature

Compact: Small enough to fit in a work bag. It goes where you go.

For everyday applications, where True-RMS accuracy isn’t needed, the Fluke 302-Plus delivers reliable measurements time after time.

CAT III safety rated, and tough enough to withstand daily use. Won’t let you down on your job.

Ultra-portable tools for advance electricians, true rms response for ac current

100A AC and DC current measurement with 1mA resolution, V.F.C function for measuring signal at varia

600V ac and dc voltage measurement, resistance, diode, continuity and capacitance functions

Mid-size clamp meter has every parameter for electrical and thermal HVACR testing in one meter

One of the most durable clamp meters in the industry that gives higher accuracy VAC & AAC readings on VFD with True RMS sensing technology

Ranges include temperature, capacitance, microamps DC for flame diode tests, and everyday electrical ranges for HVACR

VFC, low pass filter

NCV testing

Ergonomic and lightweight

►Multiple Compatibility -- This hard travel case is compatible with Fluke 902/Fluke 902 FC/ Fluke 373/374/375/376/Fluke 376 FC Electrical Voltage, Continuity and Current Tester & KAIWEETS Digital Clamp Meter HT208A/HT208D.

►Super Materials -- Instead of using the cheap materials, our case using the high quality and eco-friendly materials to prevent your fluke tester from the horrible smell. The outside covers is the nice 1680D fabric and the lining using the high-density EVA,which make it sturdy and durable.

►Excellent Protection -- It is specially designed with the molded compartments that keep Fluke electrical testers and accessories better organized, and there is an adhesive strap in the middle to better fixed your tester. It protects your device from shock, damage, dust and wet!

The voltage is measured at 600V and has a high-voltage frequency measurement function of 10Hz to 10KHz

The NCV electric field detection has an audible and visual alarm

UT202+ is equipped with a capacitor (4mF), temperature measurement function

True-RMS Autoranging Multi -Function Clampmeter with 3 and 3/4 digit LCD (3999 Counts): easy to use/operate; accurately measure AC current, AC and DC voltage, resistance. Can also do continuity, frequency, capacitance, temperature and diode tests

NCV or Non Contact Voltage Detector: detect presence of voltage in an electrical circuit or equipment without touching the wires, red LED will flash quickly when an excess electric field is detected, NCV sensor is at the right upper area of the clamp

With Accessories: Test probes, various types of test leads, crocodile clips, mini wire stripper tool, etc, has LCD display with backlight, data hold function, low battery detector, overload protection, auto power OFF after 15 minutes of inactivity

【Reliable Clamp Multimeter with True RMS】Accurate AC/DC voltage current, resistance, capacitance, frequency, temperature, diode, continuity test and non-contact AC voltage detection, the Clamp Meter is fully functional and easy to use for labs factories radio-technology and household.

【Auto-Ranging with NVC】The meter will automatically select the appropriate auto range; NCV detects the existence of AC voltage on conductors and cables in-wall, troubleshooting electrical problems in a safe and user-friendly way

【Clamp Measuring】Clamp jaw measures AC current up to 28mm without interrupting the circuit, which makes it much safer to use on mains cables and high current loads in vehicles

🛠️ INDUSTRIAL GRADE: The DL389B is a commercial grade clamp meter with enhanced capabilities for every industrial setting. Our clamp meter measures AC Amps, AC/DC Volts, AC/DC Microamps 2000µA, Capacitance 4000µF, Frequency 199.9KHz, Diode Testing, Duty Cycle, Temperature, Continuity, and Resistance 40MΩ.

📈 TRUE RMS: This industrial clamp meter features True RMS providing accurate measurements on any type of load.

🦺 ENHANCED SAFETY: The DL389B provides increased safety with a CAT IV 300V & CAT III 600V safety rating. This clamp meter includes Non-Contact Voltage to identify live lines. There are input jack locks to protect your meter from blowing a fuse.

True-RMS

Capacitance measurement for start and run motor capacitors

Safety Rated: CAT III 600 V (AMP-310, AMP-320); CAT IV 600 V, CAT III 1000 V (AMP-330)

Handheld clamp meter for taking voltage and frequency measurements

Compact size makes it easy to access hard-to-reach areas and compartments; fits into a pocket or tool belt

Counts up to 6,000

200 A ac and dc current measurement with detachable jaw

600 V ac and dc voltage measurement

Detachable jaw makes accessing wires and viewing the display easier

Product 1: True RMS feature for accurate readings regardless of waveforms

Product 1: 1.2" (30mm) jaw size fits conductors up to 500MCM

Product 1: Large backlit LCD display and built-in Flashlight

This multimeter can accurately measure up to 600A AC Current, Up to 600V AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads.

Digital clamp meter offer a safe, effective way to test electric currents without stripping wires.

NCV non-contact voltage sensing, when detecting current and voltage, it will prompt sound and light according to the voltage intensity

PERFECT FIT: We've specifically designed the case to fit your Fluke 323 True-RMS Clamp Meter. OUTER DIMENSIONS: 9" L - 4" W - 3" H.

100% SAFE: Hard quality EVA material is Semi-waterproof, Shockproof and Durable to protect your Clamp Meter from impacts and splashes.

TRAVEL PARTNER: This hard case for Clamp Meter is lightweight and compact to fit in your backpack, carry-on or luggage for improved traveling protection.

Large, easy to read backlight display automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement

Soft carrying case

True-rms ac/dc voltage and current for accurate measurements on non-linear signals

🌡️ DIFFERENTIAL TEMPERATURE: The DL429B calculates differential for you saving time on the jobsite and making your work easier and more efficient.

⚡ AC/DC AMPS: Our Clamp Meter Measures AC/DC Amps up to 600A and DC Microamps to 2000µA. This capability cuts down your need to have multiple tools on the jobsite

🖐️ HANDS FREE: Our clamp meter includes an easy-to-read backlight dual display with a magnetic mount for hands free operation. The unit also includes a work light to illuminate dark areas and test lead storage for easy transport

[Great Helper] Wonderful 6000 Counts Clamp Multimeter

[True RMS] FKM Digital Clamp Meter used for AC current, AC voltage sine wave true RMS value, DC voltage, frequency, duty cycle, resistance, capacitance measurement and continuity, diode test, temperature measurement and non-contact voltage detection with less error & more accuracy

[Patented Double Open Clamp] The maximum wire diameter that the FKM Clamp Multimeter can measure is 1.024 inches without interrupting the circuit. Double open jaws meet your operating habits

【True-RMS High Accuracy Clamp Meter】This digital clamp meter multimeter can accurately measure max 600A DC / AC current, 600V DC / AC voltage, resistance, capacitance, Continuity, temperature, diode and frequency (Hz).A perfect troubleshooting tool that will help you solve electrical problems in the car, industrial or at home quickly and safely.

【Multi-Function】Digtal backlit LCD display - LED Flashlight, Temperature Measurement for liquids and air conditioning ports, Low Battery Indication, Data Hold, True-RMS, ZERO, Automatic range, SEL fuction, Auto power off after 10 minutes inactivity, Non-Contact AC Voltage Detection,full-range overload protection.

【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. Note: When the screen backlight and the flashlight is turned on at the same time, the clamp meter turns the knob switch, the flashlight will be turned off, saving electricity.

Thin and compact sensor profile yields outstanding ease of use in tight and confined spaces

Performs current, voltage, and resistance measurements as well as continuity check

Capable of measuring even harmonic waveform components by using True-RMS method

【Non contact Voltage Testing】: Stable, safe and reliable 3 1/2 digit LCD digital clamp meter, capable of AC/DC voltage, AC current, resistance, diode measurement, with on-off test and with backlight function. Tip: CM10 clamp meter can only measure AC current (can not measure DC current);

【Multi Functional Auto-Ranging Amp Meter】: Current grade added frequency power test function, when testing the current only need to switch to the frequency function to check the frequency of the circuit, no need to use the electric pen. Support Data Hold, Max/Min, Auto power off after 15 minutes inactivity, low battery indicator and continuity buzzer;

【True RMS Multimeter Clamp】: Accurate measurement of non-sine wave power function, the measurement result is true RMS, can accurately measure all current waveform;

⚡🛠【With APP Function】 APP is to upload the multimeter measured values to the cell phone in real time, you can remotely monitor the measurement status, and can be data transfer and storage and other processing functions. Digital clamp multimeter readings through the LCD display, 6000 digits display.

⚡🛠【Automatic Range】The AC voltage and current measurement of this multimeter is true RMS measurement, and the measurement results are more accurate for different waveform signals. Select voltage, current, resistance, etc., measurement gear will automatically switch according to the specific measurement value, easy to use, do not worry about damaging the multimeter.

⚡🛠【Multifunctional Clamp Meter】HP-580S-APP universal clamp meter can be used to measure AC and DC voltage, AC and DC current, resistance, capacitance, frequency, duty cycle, temperature, diode forward voltage drop and on/off test, and non-contact AC voltage measurement (NCV) function with relative value measurement, data hold, max/min value hold, LCD backlight function.

⚡【AC/DC Clamp Meter】: The highly sensitive AC DC volt amp clamp multimeter feature with TRMS 6000 counts auto-ranging, be able to accurately measure AC/DC voltage,AC/DC current to 1000A,resistance,capacitance,diode,temperature(℃/℉),Hz,continuity buzzer test,etc.

⚡【Remote Display Via Bluetooth】：Scan the QR code and download the APP first.The wireless Bluetooth digital clamp multi-tester will auto connect with your smart phone in the AILink app(within 15m).Which convenient for you to monitor,log and analyze the max/min/current of volt amp ohm in real time.

⚡【Safety & Protection】：The amperage meter with rubber sheeve to protect your volt meter from being broken by fallen. Overload protection is up to standard of CATⅡ1000V or CATⅢ600V in all range.Non-contact voltage(NCV) function can detect voltage without touching any wires and avoid electric shock .

【True-RMS Multifunctional Clamp Meter】: Auto range, measure AC/DC voltage, AC/DC current, frequency, duty cycle, capacitance, resistance, temperature, diode, continuity, NCV, etc. Wide range of applications, perfect for home and professional use, automotive, home and industrial electrical troubleshooting.

【With NCV function】: Inrush Clamp Meter with non-contact voltage detection function, with a sensor to detect voltage and avoid electric shock without touching wires.

【Dual-color backlight, flashlight and high-pressure tips】: This multimeter with flashlight and LCD backlight, which is safer and more convenient in low-light conditions. When the voltage is over 80V and the current is over 3A, the orange backlight will turn on automatically to remind you to pay attention to safety.

Large, easy to read backlight display automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement

Soft carrying case

True-rms ac/dc voltage and current for accurate measurements on non-linear signals