... +, Cl+, Ca+, and pH of biological sample rapidly, precisely Electrolytic Analyzer YSTE0502Features:1) Liquid crystal display with Chinese operating interface 2 ... -232i) Working temperature: 15 - 30°C j) Working humidity: 10 - 90°Ck) Power supply: 220VAC±10% 80Wl) Thermal paper dimensions: 35 ... ) GE200F: K+, Na+, Cl-, Ca++, Tca, PH, TCO2, AG Electrolytic analyzer YSTE0502