Electronic Sensor Technology of Newbury Park, Calif., a manufacturer of ultrafast vapor analyzers, announced yesterday that Barry S. Howe has been appointed CEO and president. Howe replaces Teong Lim, who announced his retirement, effective immediately. Howe joined the company as COO April 11. Previously, he worked at Thermo Electron (now Thermo Fisher Scientific) for 17 years in a number of roles, including as CEO of three of Thermo Electrons’ public subsidiaries, as corporate vice president, and as president of its measurement and control sector. EST also announced its board has been expanded from seven directors to eight, with Howe appointed as the eighth director.