10 Best Clamp Multimeters 2025 in the United States

The Fluke 374 FC is a strong choice for anyone needing a reliable clamp meter, especially professionals working with industrial or electrical systems. It measures both AC and DC current up to 600 amps, and with an optional flexible current probe, it can handle up to 2500 amps AC, covering a wide range of applications. Its True RMS technology ensures accurate readings even with complex, non-linear electrical signals, which is important for precision.

One of the standout features is its wireless connection to smartphones; this lets you view and record readings remotely, enhancing safety by allowing you to stay at a distance and reducing the need for extra protective gear. The ability to record data directly to your phone and cloud makes tracking measurements easier. The product depends on two AA batteries, so you’ll need to keep spares handy.

For those seeking a feature-rich, accurate clamp meter with modern connectivity for professional use, the Fluke 374 FC presents a reliable option. Users should consider verifying the jaw size and safety specifications if these factors are critical to their tasks.

The AstroAI Inrush Digital Clamp Meter Multimeter stands out for its versatility and accurate measurements. With a current measurement range of up to 1000 A for both AC and DC, and voltage measurement capabilities up to 1000 V DC/750 V AC, it is well-suited for a variety of tasks including industrial electrical testing, high-power equipment maintenance, and solar PV projects. The inclusion of inrush current measurement is particularly helpful for diagnosing startup issues in motors, although it is limited to AC current only. This might be a drawback if you need to test DC inrush current specifically.

The VFD and LoZ modes enhance its accuracy in measuring currents and voltages on variable frequency drives and eliminate ghost voltages, respectively, which can be highly beneficial in complex electrical environments. Additional functions like temperature, resistance, capacitance, frequency, continuity, and NCV detection further expand its usability. The NCV feature adds a layer of safety by allowing voltage testing without physical contact. The device is thoughtfully designed with a backlit LCD and flashlight, improving readability in low-light conditions.

Data hold, max/min, auto/manual ranging selection, and REL/ZERO functions enhance its convenience and ease of use. It complies with high safety standards (IEC 61010-1, CAT IV 600V, CAT III 1000V), making it reliable for professional use. This multimeter is lightweight, making it portable and easy to handle during fieldwork.

The Fluke 902 FC HVAC True-RMS Clamp Meter is designed with HVAC technicians in mind, offering specialized features that make it a strong tool for that category. It supports DC current measurements up to 200 amps, which is especially useful for tasks like measuring flame rods. Its extended resistance range up to 60k ohms allows you to test thermistors, which is helpful in HVAC work. The meter can also capture flue gas temperature, adding to its versatility. One standout feature is its True-RMS capability, ensuring accurate readings even on tricky, non-linear electrical signals. The meter connects wirelessly via Bluetooth to your phone, which helps save time and enhances safety by letting you monitor readings remotely. It is battery powered with two AA batteries and is relatively lightweight and portable.

The Fluke brand is well-known for reliability, making this clamp meter particularly suitable for HVAC professionals needing precise current, resistance, and temperature measurements in their fieldwork. Its wireless capability and True-RMS measurements provide a modern, convenient edge.

Users seeking a clamp meter for broader electrical work beyond HVAC might find its specialized functions less useful. Additionally, for general electrical use or heavy industrial testing, some specific features may not fully meet all requirements.