Description Temperature Controller, White Green Bright Dual Display, 2 relay output, 72X72mm, 90 to 270V AC / DC: SELEC TC244CX- CX Series White Green Bright dual display TC/ RTD sensor input Auto-tune PID/ ON-OFF control Dual set point Relay / SSR control output Auxiliary Relay output Heat-Cool PID and Dwell timer functions Panel mount Universal supply voltage Brief Specifications Display Type 7 Segment LED Dual Display Display Configuration 4 4 Digits LED dual display Type of Input Thermocouple (J,K,T,R,S) / RTD (PT100) Resolution 0.1/1° for TC/RTD (fixed 1° for R and S TC) 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 Control Output 5A Relay / 12V SSR Auxiliary Output 5A Relay Control Mode Auto Tune PID / ON-OFF Feature Heat Cool PID , Dwell Timer Supply Voltage 90 to 270V AC/DC Size 72 x 72mm Mounting Type Panel Mount