... paper recorder Used in Medichine,Chemical,metal industry Industrial Temperature Data LoggerFeatures:1. Input channel, 1,2,3 ... ,no interference3. Display, 6 digits LED 4.Data-logging function, Imported fixed probe,penless,anti-knock ... paper5.Real time, Key setting the current data and time6.Curve moving function7.Scale conversation function ... holing, 138+1 × 138+1 mm... Industrial Temperature Data Logger