Specifications: Input:RTD (Pt-100), Thermocouples (J, K, R, S) etc. Range: As per your application. Indication:- Seven Segment LED 3.5Digit Size. Accuracy of Indication:- 0.5% of FSD 1Digit. Control Accuracy:- 1C to Nominal (Can be adjusted). Relay:- Contact rating 5Amps250VAC 12VDC. Operating Temperature:- 0C to 50C Supply Voltage:- 230VAC 10% Size:- 96x96mm