The PXR4, manufactured by Fuji Electric and distributed by TTI Inc., is a 1±16 DIN temperature controller with an LED display that is 1.6 times larger than previous models. Features in-clude dustproof front display and waterproof operation section that conforms to NEMA-4X/1P66. The panel can be washed with water. Both autotuning and self-tuning functions calculate optimum PID parameters. Fuzzy logic is standard.