The CAL Controls 9300 Series temperature controller is a 1/16 DIN controller that provides the user with the benefits of an easy-to-use "autotune" program. With full PID autotune functionality, you won't need to understand PID to set up the CAL Controls 9300 Series temperature controller. Each 1/16 DIN CAL Controls 9300 Series temperature controller has an alarm with five options, a PID heat-cool operation, and a ramp and soak operation. The CAL Controls 9300 Series temperature controller is sleeve-mounted for easy maintenance and IP66-protected from the front panel. The CAL Controls 9300 Series temperature controller has the option to add a communications board so that you can connect them to a PC. The best way to use the CAL Controls 9300 Series temperature controller with a PC is with CAL's data-logging and chart-recorder software CALgrafix.