The linear response of the Xtend® Fuel Cell Sensor Technology inside BACtrack's professional breathalyzers provides precise results over the complete range of alcohol concentrations expected in the breath, from 0.000 to 0.400 % BAC. These models can accurately detect trace amounts of alcohol and reliably handle very high BACs.
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BACtrack professional breathalyzers produce the most consistent and reliable BAC results. For example, they are more likely to show the same test result when someone is tested repeatedly in a very short period of time. Because of this, these models excel in situations that require multiple high frequency tests.
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BACtrack professional breathalyzers are consistently more accurate at higher BAC concentrations. If someone is very intoxicated, for example at 0.22% BAC, these models are more likely to provide an accurate test result as compared to semiconductor models, which are often less accurate at higher BAC values.
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Unlike some semiconductor models, BACtrack professional breathalyzers will not show a false positive for someone who is diabetic or on a low calorie diet (due to the presence of acetone).
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