... Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter ... -printer.² LCD Display, touch panel with numeric keypad.² Single point calibration & calibration curve can be saved.² RS232 interface, ... best results of the intermediate value of 2% (single-point CAL)Response Time less than 8sTime StabilityLess than ...