The BJ1M-DDT-P is a digital temperature controller manufactured by Autonics. It is a multifunctional model, capable of supporting multiple temperature control methods and applications. The controller has a temperature range of -50 to +99? and employs a 14-pt heat/cool PID algorithm to provide precise temperature control. It also features an LED display, selectable temperature units (? or ?) and can be configured via a PC or PC software. The BJ1M is also equipped with a host of protective features, such as over-temperature protection, open TC protection, self-tuning protection, reverse-polarity protection, over-voltage protection, and power-failure protection.