Delta temperature controllers are devices used in industrial processes to precisely control and regulate temperature parameters. These controllers are manufactured by Delta Electronics, Inc., a company known for its wide range of industrial automation products. The primary function of a Delta temperature controller is to maintain a specific temperature setpoint by adjusting the output of heating or cooling devices based on feedback from temperature sensors. Here are some key features and functions typically found in Delta temperature controllers. Most Delta temperature controllers utilize PID (Proportional-Integral-Derivative) control algorithms to achieve precise temperature regulation. PID control adjusts the output of heating or cooling devices based on the difference between the setpoint temperature and the actual temperature measured by sensors.