The Model C45A Single Loop Controller is a highly advanced, high-precision compact indicating controller featuring a 5-digit display LED, an input sampling cycle of 25 ms, indication accuracy of +/-0.1% of reading, and up to 2 control loops.

It offers PID control using the latest “RationaLOOP PID” (Ra-PID) and “Just-FITTER” algothms. Up to 5 control outputs (depending on model) are available, selectable from relay contact, voltage pulse, motor drive (triac), DC current/voltage, and transmitter power (24 Vdc).