Chauvin Arnoux Group, set up in 1893 by Raphaël Chauvin and René Arnoux in Paris, France, is a European leader in electrical and physical measurement instruments. Headquartered in Asnières-sur-Seine, it operates through brands like Chauvin Arnoux, Metrix, and Multimetrix, offering portable (e.g., multimeters, oscilloscopes) and fixed (e.g., power quality analyzers) measurement tools. With ~1,000 employees and 10 subsidiaries across Europe, China, the US, and the Middle East, it serves industries such as automotive, aerospace, energy, and education. The group invests ~11% of revenue in R&D, with six centers in France, Austria, and the US, and manufactures 90% of its products in Normandy and Lyon. Recent innovations include the C.A 6652 EVSE adapter and PEL 110 energy loggers with Wi-Fi connectivity. Certified ISO 9001 and ISO 14001, it emphasizes safety, sustainability, and Industry 4.0 offerings.