WALTHAM, Mass., Jan. 5 -- Scientific instrument maker Thermo Electron Corp. announced today that it has completed the acquisition of Jouan SA, of Saint Herblain, France, a supplier of equipment used by life science researchers in academic, pharmaceutical, biotech and clinical markets to prepare and preserve laboratory samples. The acquisition was completed for $137 million in cash and the assumption of approximately $8.8 million of consolidated net debt, subject to a post-closing balance sheet adjustment. For more information, visit: www.thermo.com