AEA Investors, a private investment firm, completed the acquisition of Rees Scientific, a provider of continuous temperature monitoring systems. Financial terms were not disclosed. Rees represents an opportunity to invest in the large and growing life sciences instrumentation and measurement space, which has been an area of focus for AEA. The company’s differentiated service network, industry leading product offering supported by proprietary software and long-term customer relationships with highly recurring revenue make Rees a highly attractive asset.