Masimo Corp.’s pulse oximetry technology avoids the dangerous under-recognition of low oxygen levels in people of color that plagues many pulse oximeters on the market, a peer-reviewed study in the Journal of Clinical Monitoring and Computing found. By integrating four additional signal processing engines to the standard algorithm, the Masimo Signal Extraction Technology (SET) system provides equally clinically accurate readings for patients of all skin tones even with movement and at low perfusion.