Top Clamp Meter Brands: Fluke, Klein Tools, Amprobe, Extech, and UNI-T.

Choosing the right clamp meter is crucial for electricians and technicians who need accurate current measurements without direct contact with wires. With numerous brands available, selecting the best one can be a daunting task. Among the top contenders in the market, Fluke, Klein Tools, and Extech consistently receive high praise for their precision, durability, and ease of use. To explore the features and offerings of these leading brands and discover our top picks, read on below.

Illustration of clamp meter

Best brands of clamp meter in 2025

Fluke

Fluke Corporation is a leading manufacturer in the clamp meter market, renowned for its precision and reliability. With a focus on continuous innovation, Fluke introduces advanced features and functionalities in its clamp meters, securing a loyal customer base among professionals. The company's commitment to quality and accuracy has contributed significantly to the growth of the clamp meter market, which is forecast to expand at a CAGR of 7.8% from 2024 to 2031. Fluke's products are widely used in various industries, including electrical maintenance, industrial troubleshooting, and HVAC, driving market expansion. The global clamp meter market, valued at US$32.1 billion in 2024, is expected to reach US$54.3 billion by 2031, with Fluke being a key player.

Klein Tools

Klein Tools is a leading brand in the clamp meter market, known for its high-quality and innovative products. Their clamp meters, such as the CL600 and CL120, feature advanced technologies like true RMS and auto-ranging capabilities, ensuring accurate measurements of AC current, voltage, resistance, and continuity. Designed by electricians for electricians, these meters are built to withstand harsh conditions, including a 6.6-foot drop, and meet stringent safety standards like CAT IV 600V and CE certification. The global clamp meter market, which includes Klein Tools, is expected to grow at a CAGR of 7.8% from 2024 to 2031, reflecting the increasing demand for reliable electrical testing tools. Klein Tools' commitment to quality and user feedback has made their products a staple in the electrical testing and measurement industry.

Amprobe

Amprobe is renowned as one of the leading producers of clamp meters, trusted by professional electricians and HVAC technicians for over seven decades. Their products, such as the AMP-25 Mini-Clamp and the RS-1007 PRO, are highly praised for their rugged construction, accuracy, and user-friendly features. These clamp meters are designed to handle tough electrical applications, with the AMP-25 offering True-RMS and non-contact voltage detection, and the RS-1007 PRO operating effectively in extreme temperatures. The global clamp meter market, which includes Amprobe's products, is expected to grow at a CAGR of 8.5% from 2023 to 2033, reaching a forecasted revenue of USD 80.9 billion by 2033. Amprobe's commitment to quality and reliability has made their clamp meters indispensable tools in various industries.

Extech

Extech is a renowned brand in the clamp meter market, known for its high-quality and versatile products. The Extech 380942 and 380950 models offer advanced features such as true RMS measurements, low-current sensitivity, and compact designs, making them ideal for various applications including plant maintenance, electrical, HVAC, and telecom work. These clamp meters are part of a market that is forecast to grow at a CAGR of 7.8% from 2024 to 2031, reaching a projected market value of $54.3 billion by 2031. Extech's products, such as the 700 Series, also feature multiple measurement functions including AC/DC voltage, resistance, capacitance, frequency, and continuity, enhancing their utility in different industries. The brand's commitment to innovation and user convenience has solidified its position among top players in the clamp meter market.

Uni-T

Uni-T is renowned as one of the leading producers of clamp meters, offering a wide range of models such as the UT210 Series Mini Clamp Meters, which are designed for limited space environments and feature auto range, LCD backlight, and data hold functions. These meters are essential tools for mechanical and electrical equipment maintenance, home appliance installation, and electrician duties. With certifications like CE, UKCA, and cETLus, Uni-T clamp meters ensure high accuracy and reliability. The global clamp meter market, in which Uni-T is a significant player, is anticipated to grow at a CAGR of 8.5% from 2023 to 2033, reaching USD 80.9 billion by 2033. Uni-T's products are known for their ergonomic and lightweight design, making them user-friendly and efficient.

Mastech

Mastech, established in 1987, is a renowned brand in the production of reliable and precise clamp meters, offering a range of versatile and easy-to-use devices. Their products, such as the Mastech M266 AC Digital Clamp Meter, can measure AC current, AC/DC voltage, resistance, and continuity with high accuracy, for example, +-(2.5%+5) for AC current up to 200A. With an ISO 9001:2000 certification, Mastech ensures quality and reliability, catering to both European and US markets through their efficient OEM experience. The company's factory in Shenzhen, China, spans over 20,000 square meters and employs over 500 highly trained employees, facilitating prompt and timely deliveries. Mastech's commitment to research and development has made it a trusted name in the industry.

Southwire

Southwire is a leading producer of clamp meters, known for their high-quality and rugged devices such as the MaintenancePRO™ 23070T, which offers AC/DC current measurements and a CAT IV 600V, CAT III 1000V safety rating. The company's products are part of a broader market that is expected to grow at a CAGR of 8.5% from 2023 to 2033, reaching a market value of $80.9 billion by 2033. Southwire's clamp meters, like the 23070T and 21550T models, feature true RMS accuracy and built-in non-contact voltage testers, making them essential tools for electricians. These devices are part of the expanding electronics and power generation industries, particularly in regions like North America and the Asia Pacific. Southwire's commitment to safety and precision aligns with the increasing demand for reliable electrical test equipment.

Kyoritsu

Kyoritsu is a renowned brand in the clamp meter market, known for its high-quality and versatile range of AC clamp meters, including both analogue and digital instruments. The company's products, such as the Kyoritsu 2027 and 2002PA, are designed to satisfy a wide range of clamp meter applications. Kyoritsu's market share in the clamp meters segment has been significant, with the company being one of the key players alongside Fluke and Chauvin Arnoux. The global clamp meter market, in which Kyoritsu operates, is expected to grow at a moderate CAGR, driven by increasing demand in the electrical and electronics industries. For instance, the Asia-Pacific region, where Kyoritsu has a strong presence, is anticipated to hold a significant market share due to growing automotive and electronics production. For more information on their product offerings, visit their Eaton Kyoritsu Clamp Meters page.

Fieldpiece

Fieldpiece Instruments is a leading brand in the clamp meter market, renowned for its innovative and feature-rich products tailored specifically for HVACR professionals. Introduced in 2014, their new series of clamp meters, including the SC200, SC400, and SC600 series, offer advanced features such as True RMS, inrush current, and dual LCD displays, ensuring accuracy and convenience. These meters are UL 3rd Edition certified and designed to withstand extreme temperatures and rugged conditions. Fieldpiece's commitment to meeting the needs of technicians has made their products a staple in the industry, contributing to the overall growth of the clamp meter market, which is anticipated to reach USD 80.9 billion by 2033 with a CAGR of 8.5%. For more information, you can explore their clamp meters collection.

Hioki

Hioki is a renowned brand in the clamp meter market, known for its high-quality and innovative products. For instance, in 2018, Hioki introduced the AC Clamp Meter CM3289, an improved version with a lower-profile sensor for easier use in tight spaces, showcasing their commitment to technological advancement. Hioki's products are widely used in various industries, including electrical and electronics manufacturing, and the company is a key player in the Asia-Pacific region, which is expected to hold a significant market share with a CAGR of 4.21% from 2021 to 2028.