Spectris Plc engages in the manufacture, development, and supply of measuring instruments and controls. It operates through the following segments: Materials Analysis, Test and Measurement, In-Line Instrumentation, and Industrial Controls. The Materials Analysis segment provides products and services for determining structure, composition, quantity, and quality of particles and materials during research and product development processes. The Test and Measurement segment supplies test, measurement and analysis equipment, software, and services for product design optimization, manufacturing control, microseismic monitoring, and environmental noise monitoring. The In-Line Instrumentation segment includes process analytical measurement, asset monitoring, and online controls as well as associated consumables and services for primary processing and converting industries. The Industrial Controls segment comprises of products and solutions that measure, monitor, control, inform, track, and trace during the production process. The company was founded by Richard Fairey in 1915 and is headquartered in Egham, the United Kingdom.