Dual display for both set temperature and process temperature Universal input, support 10 different types of thermocouples and RTD inputs by customers at panels. Auto-tune function can find the best PID parameter automatically Displays temperature in Celsius Four digits LED display can go up to "9999" Can be powered by either DC or AC power source Uses it for Kiln,Furnace,Oven,Incubator temperature control Uses it in heating control as well as for cooling control It is used in industries to control and monitor process temperatures Product Main Specifications: Input type: TC: K, E, S, R, J, T, B, WRe3-WRe25. RTD: Pt100, Cu50 Input range: K (-200~+1300ºC), S (-50~+1600ºC), WRe3-WRe25 (0~2300ºC ), R (-50~+1600ºC), T (-200~400ºC), E (-200~900ºC), J (-200~1200ºC), B (350~1800ºC), Pt100 (-99.9~600.0ºC) or (-200~+600ºC), Cu50 (-50~150ºC) Display:Two lines, Four digits. °C. Display Resolution:1°C, or 0.1°C with Pt100 Accuracy: +/- 0.5% or +/- 1 unit of full input range Control mode:PID, On-Off Output mode:Relay contact: 3A at 240 VAC Alarm:Upper-limit bias alarm Power consumption: less than 2 Watt Power supply voltage rating:85~265VAC/50~60Hz Colour: black Material: ABS + electronic components Size: 48 x 48 x 90mm Package Contents: 2 x PID Digital Temperature Controller (NOT include thermocouple) 2 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.