Specifications:- Input:- RTD (Pt-100), Thermocouples (J, K, S, R) Range:- As per your application. Indication:- Seven segment LED 3. 5 digit size. Accuracy of indication:- 0.5% of FSD 1 digit Control accuracy:- 1C nominal (can be adjusted) Relay:- Contact rating 5 Amps 250VAC 12VDC Operating temperature:- 0C to 50C Supply voltage:- 230VAC