... Temperature Data Logger Universal input,1-8 channels with paper recorder Used in Medichine,Chemical,metal industry Industrial Temperature Data LoggerFeatures: ... channel,no interference3. Display, 6 digits LED 4.Data-logging function, Imported fixed probe,penless,anti-knock,no ... Relay contact capacity, 24VDC, 3A; 220VAC, 3A 11.Communication, RS232/RS485 (Please indicate when ordering) 12. Analog output ...