What is a car breathalyzer called?

An ignition interlock device (IID) is a small handheld car breathalyzer device and measures the amount of alcohol in the user’s breath. In simplest terms, an interlock device is an in-car breathalyzer that prevents a user from starting a vehicle until a breath alcohol test is taken.

How does an alcohol interlock device work?

The alcohol interlock device measures the electrical current, and figures out how much alcohol had to be in your breath to create that electrical current. If that amount is under the threshold of 0.02 BAC, the device will allow a signal to pass from the ignition to the starter, and the vehicle’s engine will turn on.

What is interlock on a car?

What is an ignition interlock device (IID)? An IID is a small, handheld breathalyzer for car ignitions that’s installed to prevent users from being able to start their vehicle after drinking alcohol. Sometimes they’re referred to as car breathalyzers, or as a breath alcohol ignition interlock device (BAIID).

How are ignition interlock devices used to prevent drunk driving?

Car breathalyzer devices to prevent drunk driving. Ignition interlock devices, also known as car breathalyzer devices, prevent a driver from starting their vehicle after consuming alcohol.

What happens when you blow into an alcohol ignition device?

When a person blows into the device, it measures his or her blood alcohol concentration (BAC). If that BAC reading is at or over the pre-set limit (usually .02- .025 percent BAC), then the device will not allow the vehicle to start.

How does an alcohol starter keep a car from starting?

Your alcohol car starter keeps your car from starting if you’ve been drinking alcohol by testing a breath sample for the presence of alcohol. Or, your car breathalyzer tests your breath sample for alcohol to make sure you are safe when driving.

Can a voluntary breathalyzer be installed in a car?

Voluntary car breathalyzers (ignition interlock devices) can be installed in any vehicle to prevent drunk driving. Intoxalock offers special lower pricing because the devices don’t need monitored by the state if not required by a court of DMV.