... +, Cl+, Ca+, and pH of biological sample rapidly, precisely Electrolytic Analyzer YSTE0502Features:1) Liquid crystal display with Chinese operating interface 2 ... store the result while power fails7) Little reagent features:a) Ion selectivity electrode technologyb) Automatic two-point calibrate technologyc) Large LCD ... ) GE200F: K+, Na+, Cl-, Ca++, Tca, PH, TCO2, AG Electrolytic analyzer YSTE0502