Ametek, a leading manufacturer of electronic instruments acquires Pacific Design Technologies(PDT), a leading provider of advanced, mission-critical thermal management solutions for $125m. PDT joins AMETEK as part of its Electromechanical Group (EMG) – a differentiated supplier of thermal management systems, and automation and engineered solutions. "PDT is an excellent acquisition for AMETEK as it enhances our position in the attractive aerospace and defense sectors," David Zapico, Ametek Chairman, and CEO.