Description Temperature Controller: SELEC TC544C- CX Series 4 digit Dual display temperature controller (TC: J, K, T, R, S/ RTD: PT100) sensor input ON-OFF/Auto-tune PID control Dual set point 5A Relay/ 12V SSR control output Auxiliary 5A Relay output 48mm x 48 mm compact size Short depth Heat-Cool PID and Dwell timer functions Panel mount 90 to 270V AC/DC supply voltage CE, RoHS certified Brief Specifications Display Type 7 Segment LED Dual Display Display Configuration 4 4 digits Accuracy For TC (J, K, T) inputs: 0.25% of F.S. ± 1 °For R & S inputs: 0.5% of F.S. ±2(20min of warm up time) For RTD inputs: 0.1% of F.S ±1° Resolution 0.1/1° for TC/RTD (fixed 1° for R and S TC) Control Output RELAY or SSR. Auxiliary Output RELAY Control Mode Auto Tune / Selftune PID / ON-OFF Feature Heat Cool PID , Dwell Timer, selectable 2nd Set point Supply Voltage 90 to 270V AC / DC Size 48 x 48mm Mounting Type Panel Mount Certification CE