Measuring device (10) adapted to determine an analyte concentration reading, the measuring device (10) comprising: a display screen (12) adapted to visually display information to a user of the measuring device (10), and the less a user input mechanism (15) adapted to allow the user to activate an alarm when testing after a meal (18), which is adapted to remind the user to obtain an analyte concentration reading afterwards of a meal (16), characterized in that the display screen (12) includes an icon (22) that represents the alarm of the time to test after a meal (18) and an icon (20) that represents a marker before a meal, in which the at least one user input mechanism (15) is further adapted to allow the user to select the marker icon before a meal (20) and the time alarm icon of doing the test after a meal (20), in which upon receipt of a selection of the marker icon from before a meal (20), the measuring device (10) flashes the alarm icon of the time to make the test after a meal (22), and in which upon receipt of a selection of the alarm icon of the time to test after a meal (22), the alarm of the time to test after sounds of a meal (18) after a predetermined period of time, to remind the user that the analyte concentration reading must be obtained after a meal.Aparato de medición (10) adaptado para determinar una lectura de concentración de analito, comprendiendo el aparato de medición (10): una pantalla de visualización (12) adaptada para mostrar visualmente información a un usuario del aparato de medición (10), y al menos un mecanismo de entrada de usuario (15) adaptado para permitir que el usuario active una alarma de la hora de hacer la prueba después de una comida (18), que está adaptado para recordar al usuario que obtenga una lectura de concentración de analito después de una comida (16), caracterizado por que la pantalla de visualización (12) incluye un icono (22) que representa la alarma de la hora de hacer la prueba después de una comida (18) y un ic
