Accuracy of Continuous SpO2 Measurement in Adults

Inclusion Criteria: * Subject is at least 18 years of age. * Subject is a healthy volunteer capable of undergoing controlled hypoxemia to the level of 70% SaO2 (±3%) with no or minimal medical risk. * Subject is willing and able to participate in the measurement period for up to two hours. Exclusion Criteria: * Subject has a carboxyhemoglobin level (COHb) ≥3%. * Subject has a MetHb level ≥2%. * Subject has a ctHb value ≤10g/dl. * Subject is in another clinical study that may interfere with the results of this study. * Subject is unable or unwilling to have a blood gas and oxygen saturation measurements taken from either wrist/hand. * Subject is deemed by the Investigator to be medically unsuitable for participation in this study.