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 Available with Large display sizes 2 and 4 Communication RS232, RS485, USB and Direct Printer port TFT Display Sizes 5.7, 7.5, 9.2, 15 with 1 80 channels available