Best Ground Resistance Meters of 2026
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Ground resistance meters are essential tools for electricians and engineers who work with electrical systems. These devices measure the resistance of the earth and provide accurate readings of the grounding system's effectiveness. They are used to ensure that electrical equipment is properly grounded, preventing electrical hazards and damage to equipment. Ground resistance meters come in various types, including digital and analog models, and are designed to be easy to use, portable, and rugged. They are suitable for use in a wide range of applications such as industrial, commercial, and residential settings.
At a Glance: Our Top Picks
Top 10 Ground Resistance Meters
ETCR2100A+ Digital Clamp Ground Earth Resistance Meter Tester
The ETCR2100A+ Digital Clamp Ground Earth Resistance Meter Tester has a quick boot time of 0.5 seconds and a measuring range of 0.01-200Ω. With a clamp size of Φ32mm, it also features beep alarming and can store up to 99 sets of data. This is a great tool for anyone in need of a reliable clamp meter.
Extech 382252 Earth Ground Resistance Tester Kit
The Extech 382252 Earth Ground Resistance Tester Kit is a user-friendly tool that can measure earth ground in 3 ranges from 20 to 2000 Ohm. It comes with all the necessary hardware and has a large dual display with backlight. The tester also has a test hold function for easy operation and automatic zero adjustment. Additionally, it can measure AC/DC voltage, resistance, and continuity.
ETCR2100+ Digital Clamp Ground Earth Resistance Meter
The ETCR2100+ Digital Clamp Ground Earth Resistance Meter is a fast and efficient tool that instantly boots up with a self-test in 0.5 seconds, allowing you to get to work right away. With a measuring range of 0.01-1200Ω and a Φ32mm clamp size, you can easily measure a wider range of ground resistance. The beep alarming feature alerts you when your measurements fall outside of the expected range, and you can store up to 99 sets of data for later analysis.
ETCR2100A Ground Resistance Meter Earth Tester Clamp
The ETCR2100A Ground Resistance Meter Earth Tester Clamp is a practical and reliable device that can be used in various fields such as electric power, telecommunications, meteorology, oil field, architecture, and industrial electrical equipment. It features a non-contact measurement which is safe and fast and does not require disconnecting the ground wire or auxiliary electrode for loop resistance measurement. The device can measure ground faults that cannot be measured by traditional methods, and it comes with a sound and light alarm that alerts users when the resistance exceeds the set threshold. It also has a data storage capacity of up to 99 sets.
ETCR ETCR2000A Ground Resistance Tester
The ETCR ETCR2000A Tester is a versatile tool designed to help you measure grounding resistance without interrupting your system. It’s perfect for various fields like power, meteorology, and construction, letting you check grounding connections easily. This tester can find ground faults that traditional meters might miss, ensuring better safety and reliability. With a wide measurement range from 0.010Ω to 500Ω and high accuracy, you get precise results for different testing needs. Its clamp size fits many applications, making it a convenient and reliable choice for your electrical testing tasks.
ETCR ETCR2000A+ Clamp On Digital Ground Resistance Meter Tester
The ETCR ETCR2000A+ is a clamp-on digital ground resistance meter tester with a wider range of 0.01-200Ω. It features a fast self-test of 0.5 seconds and instant boot, as well as strong anti-interference ability with beeping and NOISE symbol blinking. The device also boasts a longer battery life of up to 50mA and is secure and reliable with fastening screws and easy battery replacement.
EONE VC4105A Earth Resistance Tester
The EONE Ground Resistance Meter is a handheld device that allows you to measure grounding resistance and voltage with ease. It features three measurement ranges for grounding resistance: 20Ω, 200Ω, and 2000Ω, with a resolution of 0.01Ω. The device can also measure AC voltage up to 750V with a resolution of 1V. The VC4105A model has a backlight LCD display with a max reading of 1999 and a data hold function for easy reading. It is powered by both battery or external power adapter and has a dust-proof and moisture-proof structure, making it suitable for field use. The latest upgraded version includes an insert prompt symbol, NCV power detection, and a beeping alarm function, making it a reliable and convenient tool for professionals and DIYers alike.
EITAI EITAI2000A-S Gen2 Ground Resistance Meter
The EITAI Ground Resistance Tester is designed for precise and efficient ground resistance measurements, making it ideal for critical systems like power grids and telecom stations. You can measure resistance ranging from 0.01Ω to 500Ω with high accuracy, which helps ensure your systems are safe and reliable. Its clamp design fits both flat steel busbars and round ground rods without needing to take anything apart, saving you time during inspections. The tester is also easy to use with one hand and provides quick results in just 0.5 seconds, speeding up your maintenance work. Plus, it offers sound and light alerts when values go beyond safe limits, helping you catch issues right away.
SULMILE ETCR2000X Ground Resistance Tester
The SULMILE ETCR2000X Tester offers a modern solution for measuring grounding resistance, ideal for professionals in power, meteorology, oil fields, construction, and industrial settings. This device allows you to test grounding systems quickly and safely without needing to disconnect any wires, saving you time and effort. It also detects ground faults that traditional meters often miss, providing you with more reliable results. Additionally, it accurately measures the total resistance of both the grounding body and the lead, ensuring you have a complete picture of your grounding system’s condition.
VIVANTECH VA100 Digital Clamp Ground Resistance Tester
The VIVANTECH VA100 Tester lets you measure ground resistance safely without disconnecting any wires, making it perfect for live power lines, telecom towers, and gas stations. This means you can quickly check grounding without interrupting your work. It’s designed to handle hazardous areas, especially around gas stations, with safety ratings that protect you when testing tanks, pumps, and hoses. The tester offers precise readings from 0.01Ω to 1000Ω and lets you set visual alarms to instantly see if your resistance levels pass or fail. Plus, it stores up to 99 readings and allows easy data transfer to your PC for better record-keeping and analysis.
Frequently Asked Questions (FAQs)
1. What is acceptable ground resistance?
There is no universally recognized standard for acceptable ground resistance. However, the NFPA and IEEE recommend a ground resistance value of 5.0 ohms or less. The NEC also specifies that the system impedance to ground should be less than 25 ohms according to NEC 250.56.
2. What is a ground resistance meter used for?
A ground resistance meter is used to test the resistance of soil to the passage of electric current. It helps determine the adequacy of the grounding of an electrical system by ensuring a sufficiently large path for fault currents. This is crucial for the safety and proper functioning of an electrical system.
3. How is ground resistance measured?
Ground resistance is typically measured using a square wave or sine wave at a frequency of several dozens of hertz to 1 kHz. It is the resistance between a grounding electrode and the earth, and it requires inserting the electrode into the ground to measure accurately.
4. How do you check ground resistance with a multimeter?
Yes, you can use a multimeter to check ground resistance. Set the multimeter to the ohms setting and place the probes on the ground rod and the test wire. If the reading is less than one ohm, the ground system is adequate. If the reading is less than 5 ohms, the ground system is considered good.
5. What should a good ground read on a multimeter?
To test grounding with a multimeter, set it to the ohms setting and place the probe on the positive terminal of the circuit. If the reading is zero ohms, the grounding is good. If the reading is not zero, there is a problem with the grounding that needs to be addressed.
During our ground resistance meter research, we found 24 ground resistance meter products and shortlisted 10 quality products. We collected and analyzed 3,485 customer reviews through our big data system to write the ground resistance meters list. We found that most customers choose ground resistance meters with an average price of $227.19.
The ground resistance meters are available for purchase. We have researched hundreds of brands and picked the top brands of ground resistance meters, including ETCR, Extech, Podoy, SKYCENX, EITAI. The seller of top 1 product has received honest feedback from 18 consumers with an average rating of 4.8.
Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.