Agency approved multi-loop, auto-tuning temperature controllers automatically set PID control parameters for optimum system performance. Manual settings also permit on-off, P, PI or PID control modes. The controllers offer data communications, remote operation or data logging. All are available with a broad range of industry standard I/O options. All multi-loop temperature controllers are designed and manufactured to withstand harsh industrial environments, and come with a three-year warranty for Control Confidence^.