Convergys® ISE auto Electrolyte Analyzer is based on the advanced ion selective electrode (ISE) technology. It measures K+, Na+, Ca++, Li+, pH and TCO2 (optional) concentrations in blood, serum, plasma, urine or CSF. The Analyzer is designed, developed and manufactured in Germany. It has a very compact design and the only interface is an extremely user friendly LCD touch panel with logically assigned menu structures. The Analyzer has a fully automatic sample aspirate probe to accommodate the test samples from the sample disc located under it, which has 25 sample positions from 0 to 24. The 0 position is for calibration, emergency, rinse and sensor test. The Analyzer can store up to 500 tests and 31 tests for each of the 2 QC levels The Analyzer has separate QC database Option for automatic calculation of k and D factors of each ion.