Nature of business Chauvin Arnoux Group, the European leader in measurement, offers a complete product offer in the measurement domain due to its 3 areas of competence: heat, electricity and portable measurement instruments; provided by 4 companies - Chauvin Arnoux, Metrix, Enerdis and Pyro-Comtrole. Whether the product be specially adapted to meet the customer's specific needs or a unique and original design created in one of its six R & D centres and manufactured in one of its production sites. Chauvin Arnoux Group offers a range of more than 5000 products.