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Breathalyzers
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The breathalyzer is designed to determine the concentration of alcohol in exhaled air. The breathalyzer works very simply - the sensor in it reacts to alcohol molecules in exhaled air. Breathalyzers are divided into semiconductor and electrochemical. A breathalyzer with an electrochemical sensor is more accurate, such breathalyzers are more expensive. A semiconductor breathalyzer loses accuracy faster, reacts not only to alcohol, but also to acetone or mint, may show inaccurate results as the battery wears out, the sensor is not durable. When choosing a breathalyzer, you should pay attention to its additional functions, such as a test counter, memory of results. A breathalyzer will come in handy every time you are not sure if you can get behind the wheel. Drive responsibly - a breathalyzer will help you do this.