Limited 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 2013, 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 medicine and science.