Dual display for both set temperature and process temperature Universal input supports 10 different types of thermocouples and RTD inputs selectable at the panel Auto-tune function automatically finds the best PID parameters Displays temperature in Celsius Four-digit LED display ranges up to 9999 Operates on either DC or AC power source Suitable for use in kilns, furnaces, ovens, and incubators for temperature control Applicable for both heating and cooling control applications Used across various industries for process temperature monitoring and control Product Main Specifications: Input type: TC: K, E, S, R, J, T, B, WRe3-WRe25; RTD: Pt100, Cu50 Input range: K (-200~+1300°C), S (-50~+1600°C), WRe3-WRe25 (0~2300°C), R (-50~+1600°C), T (-200~+400°C), E (-200~+900°C), J (-200~+1200°C), B (350~+1800°C), Pt100 (-99.9~+600.0°C) or (-200~+600°C), Cu50 (-50~+150°C) 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 Color: black Material: ABS + electronic components Dimensions: 48 x 48 x 110mm Package Contents: 1 x PID Digital Temperature Controller (thermocouple not included) 1 x English User Manual Only the items listed above are included; other accessories are not included Note: Lighting and display differences may cause slight variations between the product color in images and actual color. Measurement error allowance is ±1–3cm