10 Best Automotive Multimeters 2025 in the United States

The Klein Tools CL120VP Electrical Voltage Test Kit is a comprehensive package designed for automotive electrical testing. It includes a clamp meter that measures AC current and features a non-contact voltage tester, making it versatile for various applications. The kit also provides test leads, a GFCI receptacle tester, and a voltage tester for both AC and DC voltages.

One of its significant strengths is the auto-ranging technology, which ensures accurate measurement by selecting the appropriate range automatically, making it user-friendly, especially for those who are not tech-savvy. The built-in flashlight is a handy feature for working in dark spaces, and the test lead holder and optional magnetic hanger offer convenience for hands-free operation. The CL120VP is well-built, with a durable design that can withstand regular use.

The inclusion of multiple testers in one kit provides great value and covers a broad range of testing needs. However, the product might be somewhat bulky, weighing 1.8 pounds, and its larger dimensions might be less convenient for some users who need a more compact tool for on-the-go testing. Additionally, users should be aware that the product is hand-powered, requiring manual effort. Those looking for a simpler, more compact solution might find it excessive for their needs.

The Fluke 15B+ Digital Multimeter is a robust tool designed for various electrical applications, making it a reliable choice for automotive and residential use. One of its standout features is the CAT III 600V safety rating, which ensures safety while working on electrical systems.

This multimeter can measure AC/DC voltage up to 1000V and current up to 10A, which makes it versatile for different tasks such as diagnosing automotive electrical issues or troubleshooting home electrical systems. Additionally, it offers measurements for resistance, continuity, diodes, and capacitance, providing all the essential functions needed for comprehensive electrical diagnostics and repairs. The auto-ranging feature adds convenience by automatically selecting the correct measurement range, simplifying the task for the user. The display is clear and easy to read, which is crucial when working in various environments.

On the downside, the weight of 460 grams might be considered a bit heavy for prolonged handheld use, and it runs on batteries, which might require frequent replacements depending on usage. The build quality is solid, typical of Fluke products, ensuring durability over time. In summary, the Fluke 15B+ Digital Multimeter is a dependable and multifunctional tool ideal for users who need a reliable and safe multimeter for both automotive and residential electrical applications.

The Fluke 17B+ Digital Multimeter is a reliable tool for various electrical applications, including automotive use. With a measurement range that includes AC/DC voltage up to 1000V and current measurements up to 10A, it covers most needs for automotive diagnostics and repairs. Its accuracy is notable, ensuring precise readings essential for troubleshooting effectively. The display is clear and easy to read, making it convenient for users in diverse lighting conditions.

The device supports both auto-ranging and manual ranging, providing flexibility depending on the user's preference or the task's requirements. Durability is a strong point of this multimeter, backed by the CAT III 600V safety rating, which makes it a safe choice for residential, commercial, and industrial settings. The build quality is robust, fitting for regular use in demanding environments. Additional features like resistance, continuity, capacitance, diode testing, and temperature measurement (up to 400C with the included type K thermocouple) enhance its functionality, making it a versatile tool.

However, the weight of 450 grams might be a bit cumbersome for prolonged use, and being battery-powered, it requires regular battery replacements, which could be seen as a minor inconvenience. Furthermore, while its range and features are excellent, some users might find it slightly over-specced for very basic tasks, potentially making it a more premium choice than necessary for simple applications. The Fluke 17B+ is well-suited for professionals and serious DIYers who need a dependable, multi-functional multimeter with high safety standards and extensive measurement capabilities.