AEA Investors, a global privateequity firm, completed the investment in Process Sensing Technologies, a global manufacturer of instruments, analyzers and sensors for precision measurement and monitoring in a variety of critical industries. Battery Ventures will maintain a minority stake in the business. Financial terms were not disclosed. "We are excited to partner with PST as it continues its strong growth trajectory, including with further acquisitions in attractive core and adjacent markets. PST has established itself as a global, market-leading platform and we look forward to supporting the management team in continuing to grow the business in the coming years," Ramzi Gedeon, AEA Partner.