General Features: · Capacity for up to 3 simultaneous Ions, Basic is Na / K, can be expanded to Na /K / Cl ó Na / K / Ca. · The + version can measure up to 5 Ions. · The Diestro D103 Module can be autonomously calibrated by one and two points · All ions are calibrated and measured in mmoles/L. · Power Supply: External, 12 V CC non-regulated 1 Ampere for basic versions. · Up to 90 samples of Serum / Hour, depending on the "attention" of the driving Host.