... Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS ... of elements (K, Na, Li, Ca, Ba). It can be widely applied to agriculture (soil, fertilizer, tobacoo), industry ... with numeric keypad.² Single point calibration & calibration curve can be saved.² RS232 interface, external computer or printer. ...