Spectris, an instrumentation and controls company, has signed an agreement to acquire the LDS Test & Measurement business from SPX Corporation. The purchase consideration is US$102 million. LDS is a provider of integrated vibration test and measurement equipment and software for applications in the aerospace, defence, automotive, machinery, electrical and electronics markets. The company will become part of the Spectris Test and Measurement segment in combination with Bruel & Kjaer Sound and Vibration and HBM. Headquartered in Royston, UK, with eight additional offices in Europe, North America and Asia, LDS employs 277 people. The company had sales of $75.7 million in 2007, adjusted operating profit before interest and tax of $10.1 million.