Diagnostic electronics refers to a category of electronic devices and systems used for testing, troubleshooting, and monitoring equipment in various industries. These products are typically offered by companies specializing in industrial automation, maintenance, and repair solutions. For example, Radwell International (based in the USA) and Grainger (a US-based industrial supply company) provide diagnostic electronics such as multimeters, oscilloscopes, and thermal imaging cameras. These tools are essential in manufacturing, automotive, aerospace, and energy sectors for ensuring operational efficiency and safety. While 'Diagnostic Electronics' is not a specific brand, it encompasses a range of products from global manufacturers like Fluke, Keysight, and Tektronix.