Best Clamp Ground Resistance Meters in 2026

CL120 Clamp Meter measure AC current via the clamp, and AC/DC voltage, resistance and continuity via test leads

Meter has backlit LCD for ease of viewing in low light and is CAT III 600V, Class 2 Double Insulated

RT210 detects the most common wiring problems in standard and GFCI receptacles

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.

✅【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 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, 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.

✅【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.

【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.

Boot Time: Self-test in 0.5 second, boot instantly

Measuring Range:0.01-200Ω

Beep Alarming: Yes

【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.

USB Connection for Data Uploading with software applicable in window 2000 / window XP / window Vista / window 7 ( NOT available for window 10 currently)

Ground resistance measurements from 0.01Ohm to 1000Ohm with 0.001Ohm resolution

55*32mm jaw size for larger ground rods instead of round jaw

Boot Time: Self-test in 0.5 second, boot instantly

Measuring Range:0.01-1200Ω, Wider range

Beep Alarming: Yes

Multifunctional Clamp Meter: Get precise readings with ease! This clamp meter measures DC/AC current, DC/AC voltage, frequency, duty cycle, and resistance. Plus, it has added functions of diode test function, circuit on/off test, data retention, capacitance, relative value measurement, and max./min. value measurement. It's perfect for measuring power!

Non-contact Measurement (NCV): Achieve quick and safe electrical checks without feeling the pressure! With this clamp meter multimeter, you can measure the strength of electromagnetic fields without touching any wires. Be alerted of voltage presence with a simple beep and determine voltage levels effortlessly.

User-friendly Features: Get ready for the power-saving potential of your dc clamp meter with its smart sleep mode! It automatically switches off after 15 minutes of inactivity, conserving energy. The bright LCD backlight screen and built-in flashlight make it easy to use even in dimly lit environments, bringing light to every measurement.

Resistance range: 0.01Ω-200Ω;Resistance resolution:0.001Ω; Clamp Size:Φ1.26"(32mm),Clamp table size: 10.24"×3.54"×2.6"(260mm × 90mm × 66mm)

Structural Feature：Clamp CT,and can measure the ground fault which can not be measured by traditional method

Measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster

Your unit is calibrated prior to shipment with a new nist-traceable calibration certificate with data

The nist calibration provides you assurance your instrument meets manufacturer’s specifications. Your instrument is ready to use day one meeting most quality system standards

Ground resistance tester 6416 model (clamp-on, alarm, memory) replacement for cat 2117.60 and cat 2117.61

★ Resistance Range:0.01-200Ω.Highest Resistance Accuracy:±1%±0.01Ω

★ Structural Feature：Clamp CT,and can measure the ground fault which can not be measured by traditional method.

★ Grounding and loop resistance measurement, more reliable quality.

ETCR2100A+ clamp ground earth resistance meter grounding and loop resistance measurement, more reliable quality.

Structural Feature：Clamp CT,and can measure the ground fault which can not be measured by traditional method.

Shifting：Automatic shifting.Auto Power-off：5 minutes after boot up.

Made of high-quality materials, it is durable, wear-resistant and can be used for a long time.

This type of resistance meter can self-test within 0.5 seconds and start up immediately, which is easy to use.

The resistance range is 0.01-200Ω, and the measurement accuracy is high and the rate is fast.

Direct reading of ground resistance from 0.01ohm to 1000ohm with 0.001Ohm resolution

Configurable alarm value in resistance to support your measurement

Ergonomic mold, full rubber coating for slip proof

Data Storage Function: 99 sets of measurement results can be recorded, saving additional recording time

Accuracy Clamp Design: Accuracy core and winding, stable, precise and anti-interference

Black Matte Case: more resistant to dirt and abrasion, the overall table is strong

Self-test in 0.5 second, boot instantly

0.01-200Ω, Wider range

With beeps and NOISE symbol blinking. Strong anti-interference ability.

Boot Time: Self-test in 0.5 second, boot instantly

Measuring Range:0.01-200Ω, Wider range

Current Range:0.00mA-20.0A

Digital clamp meter measures ground resistance and current in multi-ground installations without needing to disconnect the ground

Provides true RMS (root mean square) measurements of current to help ensure operator safety during operation. User-selectable noise filter allows measurements to be taken in areas with high amounts of electrical noise

Data storage allows multiple results to be compared and tracked over time, and data can be uploaded to a computer for further analysis with the included software

Digital clamp meter measures ground resistance and current in multi-ground installations without needing to disconnect the ground

Provides true RMS (root mean square) measurements of current to help ensure operator safety during operation

User-selectable noise filter allows measurements to be taken in areas with high amounts of electrical noise

【Measuring Range】The Clamp-on earth ground tester can measure the ground resistance from 0.01Ω to 1000Ω

【Functions】The insulation tester With the the clamp on the loop, the meter can get the resistance value safely and quickly without disconnecting circuit ground lines or in needless of auxiliary electrodes

【Features】ATO clamp meter, can Auto range, Data hold, Data storage, LCD backlight, Auto calibration etc.

【Quickly detect values and troubleshoot】ST181 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; AC28 receptacle tester is very easy to use, and requires no technical knowledge or experience.Simply plug the tester into the outlet and read the results from the LED lights:Open Ground, Open Neutral, Live/Neutral Reverse,Live/Ground Reverse, Open Live & Live Neutral Reverse.

【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.AC28 Socket Tester for rapidly detecting whether the socket's wire connection is correct or not. With One-click test button,for correct wiring and trip function. Press the button, if the receptacle trip, that means the power leak-proof protection is good. It can test the protection system to ensure the household electrical safet

【Easily Carrying & Durable】The voltage tester where it can handle the demands of a long workday, from the durable exterior to the wide range of heavy-duty functions.Stylish and Durable,prevents any damages or scratches caused by accidentally bumping,dropping, secures the device in good condition on travelling or outdoors.

● Earth resistance test (0 ~ 600Ω) ● Current test (0 ~ 20A） ● Large black screen (32mm) ● Large jaw size

● Strong anti-interference ● Alarm function ● Data storage (500 sets)

Brand new black screen design, high-end luxury 55mm×32mm large jaws can test various grounding and busbars Quick self-check function, no need to wait

In the measurement of a grounding system with loop, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple.

Clamp on ground resistance tester is equipped with a long jaw sized 65mmX 32mm, particularly suitable for the grounding with the flat steel.

DY2300 can measure leakage current and zero-sequence current with sensitive clamp.DY2300 has true-RMS. It is significant when there is noise signals and harmonic waves in grounding network to measure.

55*32mm jaw size for larger ground rods

Autoranging ground resistance measurements from 0.01Ohm to 1000Ohm with 0.01Ohm resolution

AC Leakage current range of 10mA to 30.00A with 50µA resolution

Multifunctional Clamp Meter: Get precise readings with ease! Get precise readings with ease! This clamp meter measures AC current, DC/AC voltage, and resistance. Plus, it has added functions of diode, continuity, circuit on/off test and data retention. It's perfect for measuring power!

Non-contact Measurement (NCV): Achieve quick and safe electrical checks without feeling the pressure! With this clamp meter multimeter, you can measure the strength of electromagnetic fields without touching any wires. Be alerted of voltage presence with a simple beep and determine voltage levels effortlessly.

User-friendly Features: Get ready for the power-saving potential of your dc clamp meter with its smart sleep mode! It automatically switches off after 15 minutes of inactivity, conserving energy. The bright LCD backlight screen and built-in flashlight make it easy to use even in dimly lit environments, bringing light to every measurement.

Multifunctional Clamp Meter: Get precise readings with ease! This clamp meter measures DC/AC current, DC/AC voltage, frequency, and resistance. Plus, it has added functions of diode test function, circuit on/off test, data retention, capacitance, and relative value measurement. It's perfect for measuring power!

Non-contact Measurement (NCV): Achieve quick and safe electrical checks without feeling the pressure! With this clamp meter multimeter, you can measure the strength of electromagnetic fields without touching any wires. Be alerted of voltage presence with a simple beep and determine voltage levels effortlessly.

User-friendly Features: Get ready for the power-saving potential of your dc clamp meter with its smart sleep mode! It automatically switches off after 15 minutes of inactivity, conserving energy. The bright LCD backlight screen and built-in flashlight make it easy to use even in dimly lit environments, bringing light to every measurement.