Best Current Clamps of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 10, 2025

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Current clamps, also known as ammeter clamps or clamp meters, are an essential tool for electricians and technicians. These clamps are used to measure the electrical current flowing through a conductor without having to disconnect it from the circuit. They can be used to measure both AC and DC current, and some models can also measure voltage, resistance, and other electrical parameters. Current clamps come in various sizes and shapes, from small handheld devices to larger benchtop models. They are commonly used in industrial settings, as well as in residential and commercial electrical work.

At a Glance: Our Top Picks

Fluke 17xx-iFlexi 3000A Current Clamps Cover #TOP 1
Fluke 17xx-iFlexi 3000A Current Clamps
ftb score rating icon 9.9
Fluke i410-KIT AC/DC Current Clamp Kit Cover #TOP 2
Fluke i410-KIT AC/DC Current Clamp Kit
ftb score rating icon 9.8
Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp Cover #TOP 3
Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp
ftb score rating icon 9.6

Top 10 Current Clamps

#TOP 1

Fluke 17xx-iFlexi 3000A Current Clamps

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Fluke 17xx-iFlexi 3000A Current Clamps Cover
Fluke 17xx-iFlexi 3000A 24in/3pk iFlex Current Clamps (Pack of 3)

The Fluke 17xx-iFlexi 3000A Current Clamps (Pack of 3) are made in Bulgaria and have a range of 3 A to 300 A/30 A to 3000 A. They are recommended for use with Fluke three-phase loggers, analyzers, and recorders. The package dimensions are 8.6 L x 28.6 H x 23.5 W (cm).

What We Like
Wide range of current measurement
Designed for use with Fluke three-phase loggers, analyzers, and recorders
Comes in a pack of 3
#TOP 2

Fluke i410-KIT AC/DC Current Clamp Kit

I410-KIT
yellow
Fluke i410-KIT AC/DC Current Clamp Kit Cover
Fluke i410-KIT AC/DC Current Clamp and Carry Case Kit

The Fluke i410-KIT AC/DC Current Clamp Kit is a valuable kit for electrical professionals, which includes a 1-400A AC rms, 1-400A DC current clamp, 1mV/Amp output, and a zippered vinyl carry case with a movable divider. The kit allows you to take accurate current readings without breaking the circuit, and the carry case provides extra storage for your test leads, probes, and manuals. This kit is perfect if you are looking to add DC and AC current measurement capabilities to your DMM.

What We Like
Easy to take accurate current readings without breaking the circuit
Comes with a roomy carry case with extra storage for your accessories
1mV/Amp output guarantees easy reading on your meter
#TOP 3

Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp

I17XX-FLEX6000/4PK
Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp Cover
Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp, 36 in. Circumference, 6000A, 4-Pack

The Fluke I17XX-FLEX6000/4PK iFlexi Current Clamp is a set of 4 clamp probes with a measuring range of 600-6000 A and a 36-inch circumference. These probes connect directly to the 17xx Energy Loggers, allowing for accurate current measurements without the need for scaling factors.

What We Like
Set of 4 clamp probes
Large clamp circumference of 36 inches
Measuring range of 600-6000 A
#TOP 4

Fluke 17xx-iFlexi 1500A 12in Current Clamp

4637328
Fluke 17xx-iFlexi 1500A 12in Current Clamp Cover
Fluke 17xx-iFlexi 1500A 12in Current Clamp

The Fluke Current Clamp is a versatile tool that offers a wide current range from 1 A to 1500 A, making it suitable for various applications. Specifically designed for compatibility with the Fluke 1730/Basic Three-Phase Energy Logger, this clamp ensures seamless integration for monitoring energy consumption. Manufactured in Bulgaria, it guarantees quality and reliability. With compact package dimensions of 5.89 L x 0.99 H x 5.89 W (inches), this clamp is portable and easy to carry around, providing convenience for on-the-go usage.

What We Like
Wide Current Range
Compatibility with Fluke 1730
Compact and Portable
#TOP 5

Fluke i17XX-flex1500 iFlex Current Clamp

4637337
Fluke i17XX-flex1500 iFlex Current Clamp Cover
Fluke i17XX-flex1500 iFlex 12 in. Current Clamp - 3 Pack

The Fluke iFlex Current Clamp is a versatile precision measuring tool designed for accuracy and ease of use. With compact dimensions of 5.2 cm in length, 9.5 cm in width, and 20.6 cm in height, it’s easy to handle and store. Weighing just 0.481 kg, it’s lightweight, making it convenient for extended use without causing fatigue. This product comes in a single package, ensuring you have everything you need in one box. Ideal for various electrical applications, this clamp can help you measure current effectively, providing reliable readings for your projects.

What We Like
Compact and lightweight design
Easy to store and handle
Single package convenience
Reliable current measurements
#TOP 6

Fluke I17XX-FLEX3000/4PK

I17XX-FLEX3000/4PK
Fluke I17XX-FLEX3000/4PK Cover
Fluke I17XX-FLEX3000/4PK iFlexi Current Clamp, 24 in. Circumference, 3000A, 4-Pack

The Fluke Current Clamp 4-Pack, also known as Fluke I17XX-FLEX3000/4PK, is a set of four iFlexi clamp probes with a 24-inch circumference and a measuring range of 300 - 3000 A. These iFlexi probes directly connect to the 17xx Energy Loggers, providing you with accurate current measurements without the need for error-prone scaling factors. With this set, you can conveniently measure high currents and easily monitor electrical systems, making it ideal for professionals who require precise readings in their work.

What We Like
4 iFlexi clamp probes
24-inch circumference
300 - 3000 A measuring range
#TOP 7

Fluke 17xx- IFLEXi 6000 36in/4pk Current Clamps

4637430
Fluke 17xx- IFLEXi 6000 36in/4pk Current Clamps Cover
Fluke 17xx- IFLEXi 6000 36in/4pk Current Clamps (Pack of 4)

The Fluke Current Clamps are a pack of 4 clamps designed for measuring electrical currents. With a compact package size of 5.89 x 0.99 x 5.89 inches and a weight of 2.8 pounds, these clamps are easy to carry around. Originating from Bulgaria, these clamps are part of the Fluke brand, known for their quality products. The Fluke Current Clamps are perfect for electricians and technicians, offering precise measurements and ease of use.

What We Like
Compact Size
Lightweight
Precise Measurements
#TOP 8

Fluke 17xx-iFlexi Current Clamps

4637370
Fluke 17xx-iFlexi Current Clamps Cover
Fluke 17xx-iFlexi 6000A 36in/3pk iFlex Current Clamps (Pack of 3)

The Fluke Current Clamps are designed for precision measuring, making them a valuable tool for your electrical projects. With a package height of 28.6 cm, they are compact enough to store easily. The length of 9.0 cm and width of 23.6 cm allows for convenient handling, which means you can maneuver them in tight spaces without hassle. Their lightweight design enhances portability, making it simpler for you to carry them to different job sites. These clamps are perfect for accurately measuring current without interrupting the circuit, ensuring efficiency in your work.

What We Like
Compact and easy to store
Convenient handling
Lightweight and portable
Accurate current measurement
#TOP 9

Fluke 17xx-iFlexi Current Clamp

4637362
Gray
Fluke 17xx-iFlexi Current Clamp Cover
Fluke 17xx-iFlexi 6000A 36in Current Clamp

The Fluke 17xx-iFlexi Current Clamp is a precision measuring tool designed to accurately measure current in electrical systems. With its compact dimensions of 8.24" (L) x 8.24" (W) x 0.99" (H), this current clamp is easy to handle and transport. The package includes one clamp, making it a convenient and cost-effective solution for professionals and DIY enthusiasts. The Fluke 17xx-iFlexi Current Clamp is perfect for a wide range of applications, from industrial maintenance and troubleshooting to home electrical projects. Its high-quality construction ensures accurate and reliable measurements, while its Bulgarian origin guarantees durability and performance. With the Fluke 17xx-iFlexi Current Clamp, you can confidently measure current with precision and ease.

What We Like
Compact Design
Cost-effective
Accurate Measurements
#TOP 10

Hantek CC650 Current Clamp

CC-650
Blue
Hantek CC650 Current Clamp Cover
Hantek CC650 AC/DC Current Clamp 400Hz Bandwidth, 1mV/10mA, 650A Auto Oscilloscopes and DMMs, BNC Plug

The Hantek CC650 Clamp is designed to measure both AC and DC currents effectively, with a frequency range reaching up to 400Hz. This feature is particularly useful for analyzing power circuits and diagnosing malfunctions in electronic devices. You can also utilize it for measuring motor drives, such as those in frequency converters, ensuring optimal performance. Additionally, it supports the measurement of various power electronic equipment, making it a versatile tool for both professionals and hobbyists alike. With its broad measurement range of 20mA to 650A, it provides convenience and accuracy for your electrical tasks.

What We Like
Wide measurement range
AC/DC frequency capability
Versatile for electronics
Power circuit analysis
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a current clamp used for?

A current clamp is used to measure electric current flowing through a wire, cable, or conductor without altering or disconnecting the circuit. It provides an analog output that can be read by various instruments like voltmeters, oscilloscopes, power analyzers, or data acquisition systems.

2. Are current clamps accurate?

The accuracy of current clamps can vary. Better versions can have an accuracy as high as 0.5%. However, they are more accurate for higher currents and may not be ideal for small currents in the mA range.

3. What are the different types of current clamps?

There are different types of current clamps available, including current transformer (ac) clamp meters, Hall Effect (ac and dc) clamp meters, and flexible (ac) clamp meters. These different types offer various features and applications to suit different measurement needs.

4. What is a current clamp for electronics?

A current clamp for electronics, also known as a current probe or clamp meter, is used to measure AC and DC current within a specific range. It converts the measured current to a voltage that can be viewed and measured by instruments like digital multimeters, data loggers, oscilloscopes, and recorders.

5. How accurate are CT clamps?

The accuracy of CT (current transformer) clamps depends on their class rating. A class 1.0 CT with a nominal rating of 100 amps, for example, provides 1% accuracy within the range of 10 to 120 amps of current.

6. Do you clamp current on live or neutral?

When using a current clamp, it is important to clamp the live wire to perform current measurement. If the live and neutral wires are measured together, the magnetic fields of both wires will offset, resulting in a constant zero measurement.

7. What is the most accurate way to measure current?

While a common digital multimeter (DMM) is suitable for measuring direct current down to the µA range, more sensitive applications like measuring nano or picoamps require specialized instruments like picoammeters or low-level specialty instruments for accurate measurements.

Editor's Notes

During our current clamp research, we found 24 current clamp products and shortlisted 10 quality products. We collected and analyzed 3,535 customer reviews through our big data system to write the current clamps list. We found that most customers choose current clamps with an average price of $730.11.

The current clamps are available for purchase. We have researched hundreds of brands and picked the top brands of current clamps, including Fluke, Hantek. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Brian Howie Avatar

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.