Chauvin Arnoux, founded in 1893 by Raphael Chauvin and René Arnoux, is a renowned French manufacturer of test and measurement instruments. Headquartered in Paris, France, the company serves as the parent of the Chauvin Arnoux Group, specializing in measuring electrical and physical quantities. With over 130 years of experience, Chauvin Arnoux has built a global presence through 10 subsidiaries, including offices in China and the United States, and a network of 150 agents and 3000 distributors worldwide. The company designs and produces a wide range of portable and benchtop instruments for electrical testing, maintenance, and quality analysis. Key product lines include the C.A 6416/6417 ground resistance testers, the C.A 6520/6530 insulation resistance testers, the C.A 6240 low-resistance ohmmeters, and the Qualistar+ C.A 8330 series power quality analyzers. The scope also encompasses digital oscilloscopes under the Metrix brand, clamp meters and current probes (such as the E3N series), and environmental measurement tools. Chauvin Arnoux's instruments are widely used in industrial maintenance, electrical safety testing, building installation verification, and power utility applications. The company holds a strong market position in Europe and is recognized globally for its technical innovation, product reliability, and adherence to international safety standards. Through continuous R&D, Chauvin Arnoux integrates advanced features like Bluetooth connectivity, data logging, and multi-parameter analysis into its devices. Its extensive catalog and customer-centric approach have made it a preferred choice among electricians, engineers, and service professionals.