Power Controllers are used in power systems. Power controller increases the usage of remote diagnostics for larger power supplies. The main use of these devices is to control large amounts of power, for heaters, lights and electric motors. Power controllers include built-in limits to avoid excessive action. The power controllers provide time proportioned power to the furnace depending on the milliamp output of the proportional controller.

Portable Power Data Logger is used to measure electric power of process tools in the cleanrooms.