Accept input RTDs, Thermocouples, Voltage , Current Process – Temperature , Pressure, Humidity ,Level Flow,Co2, Air velocity, Diff pressure etc … 1000 Readings Per channel ,Memory with RTC Display Range -1999 to 9999 counts Real time, Print time ,Offset , Input , Range selectable Input through Data logger / Paperless Recorder Communication RS232,RS485, USB Display Sizes available 2 “ , 4” and 6 “.