MYPIN&reg; Universal Digital TD4-SNR PID Temperature Controller with Relay DIN /16 SSR-25DA,Dual Display for F/C,7 Output Combinations,Accuracy: 0.2% One key operation, Auto-tuning PID/ Fuzzy PID control.Easy operation,Reliable performance Dual display for Fahrenheit(F) and Celsius(C)Range: -1999 to 9999 (depends on the input signal)3 build-in Auto-Tuning Time proportion PID Algorithms to choose for different applications or environments to be controlled. INPUT: Thermo Resistor: PT100, Cu50,Thermocouple: J,S,K,E,Wre3 ~ Wre25,or 4-20mA/0-10V/0-75mV signal from standard pressure/level transmitterComsumption:5VA. DIN 1/16.MAIN OUTPUT: SSR: Open circuit: 4V, Closed Circuit: 24V 40mA DC Solid state relay SSR-25DA Load Voltage: AC 24-380V, Load Current: 25A, Input Voltage: DC 3-32V Apply with step control, 1 independent PID control for heating/cooling over temperature,pressure,level,flowm,etc..Widely used in auto system in line of light industry, chemistry, machine, metallurgy,ceramics,pertrification industry, or temperature control and adjust system of food & beverage; oven; furnance, plastic extruder heating process etc;