A compact and portable device that provides fast and accurate determination of blood glucose levels. It uses an enzymatic method of analyzing capillary, venous or arterial blood, guaranteeing results that comply with standard laboratory methods. The device provides data acquisition in a few seconds, which makes it ideal for use in hospitals, laboratories, medical centers and emergency departments. Thanks to its compact design and mobility provided by the adapter, it is convenient to use even in nursing care units. The glucometer has a built-in memory that stores up to 600 results with date and time of measurement, as well as the ability to print results via an external printer or download them to a PC.