Best Frequency 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.

Clamp Meter measures AC current and NCVT via clamp and AC/DC voltage, resistance, frequency, DC microamps, capacitance, duty cycle, diode test, and continuity via test-leads, and temperature with thermocouple

Non-contact voltage tester integrated into the clamp jaw

Backlit LCD for ease of viewing in low light

Versatile Digital Clamp Meter: Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Live Wire Tests. This clamp meter is a really useful tool for solving industrial and household electrical issues.

Non-contact Voltage Testing: This Clamp Meter features non-contact voltage testing with sound and light alarms. When the Meter senses a weak AC signal, the green indicator light will come on and the buzzer will emit a slow, audible beep. when the Meter senses a strong AC signal, the red indicator light will come on and the buzzer will emit a brief beep

Multifunctional & Easy to read: Support Data Hold, Max/Min, Auto power off after 15 minutes inactivity, low battery indicator and continuity buzzer. The LCD Backlit Screen and Flashlight make it easy to use in a dark working area. ZERO function decreases the data error influenced by the Earth’s magnetic field, and helps you to obtain a more accurate measurement.

Multi -Function T-RMS clampmeter that accurately measures linear or non-linear loads: can measure AC and DC current, AC and DC voltage, Low impedance, Continuity/Resistance/Capacitance, Temperature, Frequency, and Duty Cycle; Easy to use and operate.

Non-Contact Voltage (NCV) Detection: check if a conductor being measured carries a voltage higher than 90V AC without touching any wires; NCV sensor is at the tip of the clamp, press NCV to display EF, bring the sensor close to the conductor under test

Features: LCD display, low battery detection, overload protection, auto power off after 15 minutes, flashlight. Meets IEC safety standard 61010-1 with the CAT III 600V overvoltage protection standard

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

【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.

Power circuit measurement and malfunction analysis

Motor drive of frequency converter (or other electronics) measurement

Power electronics equipment measurement

[High Performance] AVID POWER auto-ranging 6000 counts digital clamp multimeter is ideal for accurate measurement of AC/DC voltage, AC/DC current, continuity, frequency, resistance, capacitance, diode, duty cycle, temperature and battery checking. This clamp multimeter is a must-have for home improvement, industrial, lab factories, automotive and household electrical problems.

[Multifunction] This AMP clamp meter features NCV testing and detecting function with backlight alarm, Auto power off, Low battery indication, Data retention, Max/Min data, 6000 counts Auto-Ranging. Top built-in LED light also provides extra illumination for the work area. When the voltage you measured is > 80V, the current > 3A, the LCD screen backlight turns orange to warn you of high voltage.

[Safety Compliance] Meeting IEC 61010-1, CAT. III 600V, CE standard. High Voltage Protection; Double insulated machine.

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

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

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

【T-RMS Clamp Meter with Multifuntions】The Digital Clamp Meter can accurately measure 1000 Amp AC/DC Current, 1000V DC/750V AC Voltage, Frequency, Duty Cycle, Resistance, Capacitance, Diode, Continuity, and Temperature. Easy to use for labs factories and households.

【Hold Function & Auto-range】Short press the Hold button to hold a stable measurement reading. Automatically select the measuring range that is best suited for the measurement performed. The measuring unit and resolution are adjusted at the same time.

【Advanced Designs & Larger Jaw】The multimeter is easy to carry and store with a compact design and has the characteristics of high reliability, automatic range, handheld clamp meter, etc. A larger jaw design can measure the maximum wire diameter of 2.6 inches, well meeting your operating habits and measurement needs.

【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.

【Quickly detect values and troubleshoot】The clamp meter can measure only for AC current (not for DC current), AC and DC voltage, resistance, capacitance, continuity,diode and frequency (Hz),live/zero wire; Digital clamp meter is a perfect troubleshooting ammeter tool, you can accurately troubleshoot vehicle or internal electrical problems in a fraction of the time and get the job done more efficiently.

【Double Open Clamp】The maximum wire diameter that the multimeter can measure is 1.42 inches without interrupting the circuit. Double open jaws meet your operating habits

【NCV Defection Function】Non-Contact Voltage (NCV) Detector can easily and quickly determine whether there is a voltage.The NCV non-contact AC voltage detection function can be switched by short pressing the NCV button in any gear.

Accurate & Multi -Function: The Digital clamp meter can measure AC current, AC/DC voltage, continuity, resistance, frequency, capacitance and temperature. Suitable for professionals and amateurs.

Auto-Ranging & Current Test: The auto-ranging of the clamp meter will recognize the AC/DC voltage, and it is no need to select the voltage range manually. No cumbersome steps, easy to use for newbies.

Large LCD Display & LIVE Test: The large LED screen is easy to read whether in bright sunlight or dark. In LIVE mode, you can easily test the neutral and live wires by simply inserting the input wire.

MULTIFUNCTION DIGITAL CLAMP METER: Accurately measure AC current (do not measure DC current)! AC/DC voltage, frequency , resistance, capacitance, diode, continuity and temperature tests are also available. This clamp meter is a very useful tool for solving industrial and household electrical problems.

NCV DETECTION FUNCTION: Non-contact voltage detection effectively checks the electrical status by measuring the strength of the electromagnetic field without touching any wires; when the multimeter senses a weak AC signal, the indicator light will be on.

MULTIFUNCTIONAL: Support data hold, temperature measurement, automatic shutdown, low battery indication and continuity buzzer. High-definition backlit LCD display and LED flashlight make it easy to deal with dark environments.

【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.

【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.

6000Counts Clamp Multimeter -----The Clamp Jaw Up to 26mm, Measures DC/AC Current without Contacting the Circuit, Besides, CAMWAY Digital Clamp Meter Measures DC/AC Current Up to 600A, Can also Measure AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature ,Inrush current,Diode,Continuity test,NCV,Null/Fire Wire Test

Multifunctional Meter ----- Flashlight, Backlight, Manual/Automatic ,True RMS measurement Function ,and also with a pair of Test Leads,a pair of Alligator clips, Thermocouple, The TRMS Digital Clamp Meter Measurement Range is Larger for Home,Professional Use, Automotive, Industrial Electrical Troubleshooting

Fire Wire & Inrush Current Measurement Function ----- With Fire Wire Measurement Function, CAMWAY Auto Amp Meter can also Measure the Starting Current, Inrush Current Function is Designed to Capture Inrush Current Accurately,Specially,Peak Hold Function Makes Tests and Records more Convenient

True-RMS

Voltage up to 1000V AC/DC, AC/DC Current up to 600A, resistance, frequency, THD (total harmonics distortion) and individual harmonics from 1 to 25, power (kW), power factor

Low pass filter for variable frequency drives

【Great Helper】True Rms 6000 Counts Non contact voltage tester is a perfect troubleshooting amp meter tools, you can accurately troubleshoot vehicle or internal electrical problems in a fraction of the time and get the job done more efficiently.The continuity tester made troubleshooting become more easy. Would make a great gift for any DIY'er and the smart mode makes it simple for older folks!

【Accuracy & Multi-function】Aneng multimeter can measure ac/dc current, ac/dc voltage, live/zero wire,serve as continuity, resistance, and capacitance tester. It can also measure non-contact voltage detection and buzzer alarm,temperature, frequency, and duty cycle with less error & more accuracy. Backlight LCD screen and clamp head lighting with one hand operation trigger, it’s easy to use even if the ambient light is too dark.

【Double Open Clamp &】The maximum wire diameter that the ANENG Clamp Multimeter can measure is 1.24 inches without interrupting the circuit. Double open jaws meet your operating habits.

Digital Clamp Meter Multimeters:✔ Autoranging clamp multimeter can be used to measure AC and DC Voltage, AC Current, Resistance, Diode test, Data Hold, Max Value Hold. troubleshoot electrical problems safely

voltmeter:✔ Made of high quality ABS, lightweight and portable,durable enough for long term use, Suitable for distribution box, electrical circuit, home users, enthusiasts, professional electricians and technicians

Auto-Ranging Multimeter:✔ NCV detection function , Non contact voltage detect, LCD display and easy for reading in dark light, The operator can access measurement result in a dark place with the flashligh

MULTIFUNCTION DIGITAL CLAMP METER: Accurately measure AC current (do not measure DC current)! AC/DC voltage, frequency or duty cycle, resistance, capacitance, diode, continuity and temperature tests are also available.True RMS for accurate measurements on non-linear loads. This clamp meter is a very useful tool for solving industrial and household electrical problems.

NCV DETECTION FUNCTION: Non-contact voltage detection effectively checks the electrical status by measuring the strength of the electromagnetic field without touching any wires; when the multimeter senses a weak AC signal, the indicator light will be on.

MULTIFUNCTIONAL: Support data hold, temperature measurement, automatic shutdown, low battery indication and continuity buzzer. High-definition backlit LCD display and LED flashlight make it easy to deal with dark environments.

Portable and easy to use : Ultra-thin body ,lightweight and portable design,convenient for you to carry and store when you go out. With 3.5in high resolution LCD digital display screen,more clear and easy to measuring datas.Simple and easy use interface,you can access,store process and manage data by simply displaying the results in tabular form.

Multi-Function: True RMS AC voltage /current measurement.Data record function, you can record the measured data into internal memory, and then read and process the recorded data with your computer.Trend analysis accessible in chart mode,SCPI support.

Widely Use: With diode testing,continuity,temperature and other functions ,this digital multimeter can test AC / DC current,voltage, resistance,capacitance,etc.The true RMS multimeter is made of high quality ABS meterial,an excellent tool for instruments and laboratories,factories,radio enthusiasts and families.

UT210E mini clamp meter. An auto ranging clamp meter of great value by Uni-Trend. Versatile electric meters tester that diagnoses automotive, HVAC-R, repairing, troubleshooting industrial and household electrical issues. All in one.

Authentic UNI-T amp clamp multimeter. Works as AC current meter and DC amp clamp meter and measures: 2.000A (resolution: 1mA), 20.00A (resolution: 10mA), 100.00A (resolution: 100mA).

A compact voltage meter measuring AC DC volt. DC voltage measurement range: 200.0mV (resolution: 0.1mV), 2.000V (resolution: 1mV), 20.00V (resolution: 10mV), 200.0V (resolution: 100mV), 600V (resolution: 1V).