TRANSCUTANEOUS SENSOR APPLICATOR AND APPLICATOR ASSEMBLY

An applicator according to the present disclosure is an applicator for inserting a sensor for measuring biometric information into a user's skin, the applicator comprising: an applicator body; an insertion unit installed on the applicator body to move a sensor unit from a first position in which same is spaced apart from the user's skin to a second position in which the sensor is inserted into the user's skin, the sensor unit comprising the sensor, a sensor unit housing on which the sensor is mounted, an adhesive layer provided on the sensor unit housing, and a protective sheet covering the adhesive layer; and a moving tab to which a part of the protective sheet is coupled, the moving tab being movably installed on the applicator body to be movable by the user such that the protective sheet can be moved away from the sensor unit housing and thus separated from the adhesive layer.