1. The digital intelligent temperature controller PID fuzzy control and non-contact SSR control are adopted. Double instrument protection ensures reliable operation.
2. Power regulator is used to adjust the power, and 4-20mA continuous signal intelligent regulation power is used to achieve the process control accuracy of ± 1 ℃.
3. The heater surface temperature protection and outlet temperature upper limit double protection are adopted to ensure the reliable operation of the heater.
4. The heater is equipped with over temperature, anti dry burning, over-current, short circuit, leakage protection and other protection functions, with fault self inspection, protection, audible and visual alarm prompt and other functions.
5. It can be controlled by PLC and touch screen of human-machine interface, and can communicate with upper computer.