Economy Model, compact, digital temperature controller. 16 segment ramp and soak, fuzzy logic, auto tune PID controller. One T, K, or J type sensor input. One 120V output. Temperature range varies by thermocouple type. Control accuracy -plus - minus 0.1 Degree C. Absolute accuracy of plus-minus 0.25 Degrees C of full range. Microprocessor based 1/32 DIN model for digital accuracy and reliability, Bright LED display.