The model T9000 electro-pneumatic pressure controller features a fully functional keypad, display, and can show output pressure in various user-defined units. It employs a microprocessor control system with PID tuning and supports both keypad and analog control signal operations, including communication via DeviceNet. Key specifications include adjustable deadband, accuracy of less than 0.50% output span, and a wide temperature operation range, with multiple configuration options available.