ELECTROCHEMICAL SENSOR ARRANGEMENT, BREATHALYZER AND METHOD FOR DETERMINING A VITALITY OF ELECTRODES OF AN ELECTROCHEMICAL SENSOR

摘要

The present invention relates to an electrochemical sensor arrangement (10) for a breathalyzer (100), to a corresponding breathalyzer (100) and to a method for determining a vitality of electrodes of an electrochemical sensor. The electrochemical sensor arrangement comprises an electrochemical sensor having at least two electrodes (12; 14). The electrochemical sensor arrangement further comprises a heat source (16). The heat source is arranged such that upon activation it selectively heats one of the electrodes (12) of the electrochemical sensor.