Product Features: Dual display for both set temperature and process temperature Size, 48/48mm, 72/72mm, 48/96mm, 96/96mm Universal input, support 10 different types of thermocouples and RTD inputs by customers selected at panels. Uses it in Heating Control as well as for Cooling control Auto-tune function can find the best PID parameter automatically Displays temperature in Celsius (degC) Uses it for Kiln,Furnace,Oven,Incubator temperature controL It is used in various industries to control and monitor process temperature Input Type Thermocouple: K, E, S, R, J, T, B RTD: Pt100, Cu50 ( The User can set the input signal type according the requirement. ) Input Range 0 /1300 degree Celsius (this is the default setting. User can set the temperature range which you wanted.) Display Two lines, Four digits in Celsius degC. Display Resolution 1degC, or 0.1degC if Pt100 input Accuracy /-0.5/ or /-1 unit of full input range Control mode PID, ON/OFF Control Output Relay contact: 3A at 240 VAC. Alarm Alarm 1 ( Upper-limit bias alarm , User can change to be other Alarm Mode.) Power Consumption <2 Watt Power Supply 100/240V AC, 50/60Hz. Item outline Dimensions HD101 48/48/70mm HD402 48/96/70mm HD701 72/72/70mm HD901 96/96/70mm Mounting Hole Size HD101 46/46mm HD402 46/93mm HD701 69/69mm HD901 93/93mm Package Included: 1 x PID Temperature Controller 1 x 2M screw K Type Probe Sensor 1 x Max.40A SSR 1 X Heat Sink