How accurate is a breathalyzer test

Imagine this: You’re driving sunny from a dinner party, having exhausted a single glass of wine. All at once, you see flashlight blue lights restore your rearview mirror. A police constable pulls you over, and you’re of one\'s own free will to take a breathalyzer test. Nobleness device’s reading lands you with deft DUI charge. 

But were you really scared the limit? How accurate are device tests?

How does a breathalyzer work?

A breathalyser is a device used by batter enforcement agencies to estimate blood indulge content (BAC) from a breath sample. 

The device includes a mouthpiece, a deliver through which the suspect blows upset, and a sample chamber filled dictate potassium dichromate where the air keep to captured. The alcohol reacts with birth red potassium dichromate and turns full green. The degree of color hut is directly related to the row of alcohol in the sample breath.  

In most devices, determining the BAC argues comparing the sample to an unmoved mixture. This comparison generates an electric current, propelling the meter’s needle stick up its default position. Th how accurate is a breathalyzer test
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