Test and Measurement supplies test, measurement, and analysis equipment and software for product design optimisation, manufacturing control, and environmental monitoring systems. Markets are principally the aerospace, automotive, consumer electronics and oil and gas industries. For customers in the automotive and aerospace industries, our products and applications help them to design and test new products whilst reducing time to market. In consumer electronics, our equipment and software enable customers to refine the performance and accuracy of their products and to test them in the production process. In the environmental monitoring market, the desire for higher standards of community comfort is creating additional demand. In the oil and gas industries, our products and solutions optimise the recovery rates of oil and gas reservoirs and support the development of cost-efficient extraction processes in a safe manner that minimises the impact on the local environment. The operating companies in this segment are Brüel & Kjær Sound & Vibration, ESG Solutions, HBM and Millbrook.