Brought to you by Universal Biosensors, world leaders in biosensor technology, the Sentia™ hand-held wine analyzer accurately measures free SO₂ levels in your post-fermentation wine. No sample preparation. No reagent preparation. No calibration. No special training required. Just reliable test results in less than a minute, wherever and whenever you need them. And with more key wine analysis tests on the way, free SO₂ is just the beginning.