Features 1、PID Control: This temperature controller adopts PID control technology to ensure its advantages of small overshoot, strong adaptability, and short adjustment time, overcoming the limitations of traditional thermostats. 2、Accurate Measurement: The output signal of the solid state relay is 15±8V 30mA, with measurement errors of 1%+1 word, 0.5%±1 word, and 0.2%±1 word (3 gears), improving measurement efficiency. 3、Smart Self Training Technology: Utilize intelligent self tuning to automatically calculate parameters based on system heat dissipation rates, enabling accurate temperature control with high adaptability 4、Excellent Performance: This PID temperature controller has a digital display screen, which is clear and intuitive. Button control, convenient and practical. With compact structure, high accuracy, and less interference. 5、ABS Plastic Shell: The intelligent temperature controller shell is made of excellent ABS material, which has good toughness, high strength, impact resistance, wear resistance, and long service life. Specification Item Type: PID Temperature Controller Material: ABS Measurement Error: 1%+1 word, 0.5%±1 word, 0.2%±1 word (3 gears). (Additional Cold End Compensation Error: ≤±2℃ within the range of 0-50℃, temperature coefficient ≤0.05%/℃) Measurement Display Range: -1999-9999, -199-9999 (2 types). Alarm Range: Full Range Arbitrary Setting Relay Output Contact Capacity: 3A 220V, resistive or specified. Thyristor Trigger Signal: 15/40μS or rated 100mA, instantaneous IA (self triggering). Solid State Relay Output Signal: 15±8V 30mA Power Supply: 220V-±10% 50HZ Power Consumption: 4W Operating Environment: 0-50℃, relative humidity 35%-85%RH, non erosion and non strong electromagnetic field radiation environment Size: Approx. 112 x 48 x 96mm / 4.4 x 1.9 x 3.8in Package List 1 x Smart Temperature Controller 2 x Accessories