After 125 years of being in business, the Chauvin Arnoux Group specialises in the measurement of electrical and physical quantities. Design and production has been Chauvin Arnoux's core business - allowing professionals to test the reliability, safety and efficiency of electrical distribution systems, and equipment connected to them, on a daily basis. Chauvin Arnoux offer comprehensive advice in the electrical, thermal and energy markets; we offer expertise and real solutions for energy saving, efficiency and optimisation. Proud of our 2 brands, Chauvin Arnoux® and Metrix® we provide a wide range of measuring instruments used by millions of professionals the world over. Our vast product range covers general electrical measurement (testers, multimeters, current clamps etc) electrical safety testers, wattmeters, and electrical network quality analysers, oscilloscopes and much more. Our areas of expertise include: Environmental measurements, Regulatory testing, Supervision of Installation (monitoring and supervising, analysing and diagnosing, correcting and resizing and maintaining for the long term).