... +, Cl+, Ca+, and pH of biological sample rapidly, precisely Electrolytic Analyzer YSTE0502Features:1) Liquid crystal display with Chinese operating interface 2 ... °Ck) Power supply: 220VAC±10% 80Wl) Thermal paper dimensions: 35(D)mm x 57(W)mm x (2")m) Dimensions: 37 ... ) GE200F: K+, Na+, Cl-, Ca++, Tca, PH, TCO2, AG Electrolytic analyzer YSTE0502