ST-200 a Qua Electrolyte Analyzer is a semi – automated, microprocessor-controlled electrolyte system which measures various combinations of Sodium, Potassium, Ionized Calcium, Ionized Magnesium, Lithium, pH and Chloride in whole blood, serum, plasma, CSF, body fluids and urine. This Analyzer is specifically designed to meet the needs of small to medium-size laboratories using the latest ISE technology.