Benchtop meter measures conductivity with selectable resolution of 0.01 or 0.1. It offers two point calibration and will automatically recognize up to four preprogrammed calibration standards. Other advanced features include automatic temperature compensation, adjustable TDS factors, self-diagnostic test upon start-up and data logging of up to 10 readings. Meter has an RS232 output jack for computer connection. Sleek new design has spill resistant housing and sealed keypad. Meter comes complete with flexible electrode arm and general purpose conductivity probe.