Radiometric calibration is an essential process that converts raw digital counts recorded by Earth observation sensors into meaningful physical units, such as spectral radiance or top‐of‐atmosphere ...

GE HealthCare is recalling 7559 TruSignal arterial oxygen saturation (SpO2) sensors because of problems that may reduce defibrillation energy, expose patients to unintended voltage, or give inaccurate ...

Fitbit launched its first proper smartwatch in 2017. The Ionic, along with most of its recent wearables, features a dormant SpO2 sensor that can be used for blood oxygen tracking. More users are now ...

Masimo Corporation MASI received the FDA’s nod for its RD SET sensors to be used with Masimo Measure-through Motion and Low Perfusion SET pulse oximetry. The procedure is aimed at offering improved ...

is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...