... Temperature Data LoggerFeatures:1. Input channel, 1,2,3,4,6,8 channel for option.2. Channel Isolation between each channel ... ,no interference3. Display, 6 digits LED 4.Data-logging function, Imported fixed probe,penless ... by keybutton,range:10 mm/h~990mm/h10. Alarm, 6 relay output for option Relay contact capacity, 24VDC, 3A; 220VAC, 3A 11.Communication ...