A&D Company, Ltd. is a world-class producer of advanced measuring, monitoring, controlling and testing instruments. Individuals with varied educational and technical skills use these instruments in a wide range of applications. Yet these products share a number of things in common: High performance through advanced analog-to-digital and digital-to-analog conversion technology incorporating highly accurate sensors and exceptional quality. Since its inception in 1977, A&D has built a reputation for high quality products, which help the user to perform his/her job more accurately and effectively. A&D's products have expanded into a comprehensive line that ranges widely throughout industry, education, medicine and science.