AMETEK, a global manufacturer of electronic instruments and electromechanical devices, completed the acquisition of NSI-MI Technologies, a provider of radiofrequency and microwave test and measurement solutions and services, for $230m. "NSI-MI is an outstanding acquisition and nicely complements our existing Electromagnetic Compatibility test and measurement businesses. NSI-MI's test and measurement solutions are uniquely positioned to support the continued development of advanced RF and microwave technologies for critical applications in wireless communications, satellite systems, autonomous vehicles, and defense systems," David A. Zapico, AMETEK Chairman and CEO.