Fuji Electric's PXR4 is a self-tuning 1/16 DIN temperature/process controller, distributed by TTI Inc., that comes with free Windows-based software. The faceplate, designed for NEMA 4X, is watertight and corrosion resistant. In addition to autotuning and fuzzy control, it comes with self-tuning. Remote monitoring of up to 31 controllers at a time is possible with the RS485 option that uses the industry-standard Modbus protocol. Large LED display is easy to read.