... PID Controller AKT4111100NAIS temperature Common Features Multi-input: Versatile thermocouple, RTD, DC Current, DC Voltage Control modes: PID, on/off control ... output: Relay, non-contact voltage output (for SSR drive, DC current output) Accuracy: ± 0.2% span Simple operation Heater ... control with 2nd optionalcontrol output (non-contact voltage output)Multi-input:A Thermocouples K, J, R, S, B, E, ...