... PID control 2,Multi-input mode 3,Digital show mode programmable PID control features:1,PID control2,Multi-input mode3,Digital show mode4 ... (TC) resistance thermocouple sensor(RTD) Standard Current-voltage signal input.3,Output:relay output 250VAC 5A (resistive) 3A(inductive) current output ... :1,Quality Approvals 2,wide timing range Prompt Delivery 3,Small Orders Accepted programmable PID control