Measuring range: 0 ~ 999'C; Resolution: 0.1%; Measurement Accuracy: ± 1.5 (MAX); Refresh rate: 0.25 S; Input Power: (DC 4.5~40V); Measuring inputs: (DC 4.5~40V) 46cm sensor; Output Type: Direct output, Environmental requirements: 0 ~ 999'C; Machine size: 5 x 3 x 2.8cm