Genrui GE300 electrolyte analyzer has 60 samples per hour throughput, 100-200μL sample volume, K+ / Na+ / Cl- / iCa2+ / pH / Li+ ion, optional CO2, automatic or on-demand calibration, closed reagent, real time monitoring reagent, internal thermal printer, LCD display, up to 50000 results storage, RS-232 interface, support LIS.