Reagent Pack - Caretium The XI-931 electrolyte analyzer features high performance electrodes with high precision, wide linearity range and long shelf life, along with real-time detection of each electrode’s working status, thus eliminating electrodes drift and ensuring accurate results. It offers both automatic and manual sampling modes, automatic liquid level detection and alarms, excellent electrode shielding system and onboard memory for storage of more than 100,000 test results.