digital PID temperature controller, regulation with automatic optimization or ON-OFF control., Supply Voltage 230 V AC (90-250V AC), as specified by the suffix "-230" in the model name., Dimensions: 48 x 48 mm (front) x 94 mm (depth)., Sensor Inputs: Accepts various types of sensors, including Pt100, and thermocouples of type J, K, T, S, R., Outputs Equipped with a relay (2 A) and output for driving SSR (Solid State Relay)., Display: Dual 7-segment displays: one red/yellow for the actual value (PV) and one yellow for the nominal value (SV).