Action Instruments has led the signal conditioning industry for more than 25 years, providing the highest quality, most innovative solutions to the remote signal conditioning and isolation applications of the world's leading manufacturers. Action's mission is to develop technology, design, build and support instruments to measure and protect the integrity of industrial process signals. In 1998 Action Instruments was acquired by Eurotherm, which then became part of Invensys, one of the largest process automation companies in the world.

Action defined the industry standard for accuracy and reliability, and our focus on technological innovation continues to raise that standard. For more than 25 years, Action has addressed and solved the challenges and problems of making and transmitting process variable measurements upon which industrial automation and control systems depend.