How big is the Libre 2 Plus sensor? How deep does it penetrate the skin?
The Libre 2 Plus sensor remains small and discreet, measuring only 5 mm in height and 35 mm in diameter. The sensor is implanted in the skin with a width of less than 0.4 mm and a depth of approximately 5 mm subcutaneously. Studies show that most users find wearing the sensor no more painful than traditional finger-tapping50.