The breathalyzer is a device created to measure the values ​​of ethanol contained in the blood, invented back in 1954 by an American police captain, Robert Borkenstein.

The practice of blowing into the device, less invasive than a blood sample, had an immediate success, above all, thanks to the acceptable degree of precision of the machinery. After drinking a thirst-quenching beer or a glass of wine, the ethanol contained in these drinks is absorbed by the stomach and dilutes in the water contained in our body.

Part of this ethanol is metabolized while the remaining portion is eliminated as slag from the body. The breathalyzer can measure the concentration of what remains, returning a value that, according to the Italian road code, must not exceed 0.5 g / l.

Right below, we had listed out the best breathalyzers.

RANK NO. 1
Breathalyzer,2022 Upgrade Professional-Grade Accuracy Alcohol Tester with...
  • 📟Easy to operate: insert only two AA batteries (product does not contain batteries), click the power button to start, then...
  • 🎁Portable: The product is only 60g and can easily be carried in your purse or pocket. Ideal for weddings, parties, banquets or...
  • 🍻Affordable, but reliable and accurate: The breathalyser uses a high precision semiconductor alcohol sensor and can be used...
  • ⌛Comes with 10 replaceable mouthpieces: The breathalyser comes with 10 replaceable mouthpieces; the mouthpieces are made of...
  • ⚠Sound Warning: When the test result is higher than 0.050% BAC or 0.500‰ BAC, it will sound a "di di di... " alarm sound to...
RANK NO. 2
BACtrack Go Keychain Breathalyzer (White) | Ultra-Portable Pocket Keyring...
  • QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you...
  • EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that...
  • TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a...
  • OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other...
  • ONE YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace...
RANK NO. 3
BACtrack S80 Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Approved |...
  • 1 RATED BREATHALYZER BY WIRECUTTER - "After 65 hours of research, which included getting intoxicated at a police station to test...
  • PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's largest platinum-based Xtend Fuel Cell Sensor, the S80 utilizes the same...
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack S80 is extremely easy to use. Simply insert the two included AA batteries, power on...
  • DOT/NHTSA APPROVED & FDA 510(k) CLEARED - Designated by the US DOT & NHTSA as an approved breath alcohol screening device, the S80...
  • ONE YEAR WARRANTY - If your BACtrack S80 ceases to function properly during the first year of operation, we will repair or replace...
SaleRANK NO. 4
QTlier Portable Breathalyzer Tester with USB Rechargeable,Professional-Grade...
  • ✅ACCURATE TESTING: This alcohol tester is composed of advanced high-precision nanotechnology sensor, which can accurately...
  • ✅PORTABLE BREATHALYZER: The professional breathalyzer is only 126x51x23mm, and weighs only 90g, which is very convenient to...
  • ✅TIME SAVING AND CONVENIENCE: Environmental protection and energy saving, no need to replace the battery regularly, reduce the...
  • ✅EASY TO USE: After you get the product insert the mouthpiece into the mouthpiece insert slot, long press the start button,...
  • ✅PERFECT AFTER-SALES SERVICE: If you encounter any problems in the use of the process, please contact us in a timely manner, our...
RANK NO. 5
Professional-Grade Accuracy Breathalyzer, Portable Alcohol Tester with LCD...
  • 【𝐒𝐞𝐧𝐬𝐢𝐭𝐢𝐯𝐢𝐭𝐲 & 𝐇𝐢𝐠𝐡 𝐏𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧】Alcohol tester meets...
  • 【𝐄𝐚𝐬𝐲 𝐓𝐨 𝐎𝐩𝐞𝐫𝐚𝐭𝐞】Breathalyzer is very simple and easy, making blood alcohol testing...
  • 【𝐄𝐧𝐞𝐫𝐠𝐲-𝐒𝐚𝐯𝐢𝐧𝐠 & 𝐀𝐮𝐭𝐨-𝐎𝐟𝐟...
  • 【𝐄𝐚𝐬𝐲 𝐓𝐨 𝐑𝐞𝐚𝐝 𝐋𝐜𝐝 𝐃𝐢𝐬𝐩𝐥𝐚𝐲 𝐋𝐢𝐠𝐡𝐭】With the LCD...
  • 【𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐃𝐞𝐬𝐢𝐠𝐧】This professional alcohol breathalyzer just 4.53 x 2.75 x 1.25...
RANK NO. 6
BACtrack Scout Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA...
  • PRO-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Scout utilizes the same professional-grade...
  • ONE-BUTTON OPERATION - The BACtrack Scout is extremely easy to use. Simply insert the two included AAA batteries, power on your...
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol testers, from roadside law enforcement to hospital...
  • SMALL & PORTABLE SIZE - The Scout is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you...
  • ONE YEAR WARRANTY - If your BACtrack Scout ceases to function properly during the first year of operation, we will repair or...
RANK NO. 7
BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional...
  • ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C6 utilizes the...
  • KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%,...
  • CALL AN UBER - Remember, the only safe time to drive is when your BACtrack shows 0.00%. Anything above that? You can call an Uber...
  • OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C6 with or without your smartphone. "Standalone Mode" delivers your BAC results...
  • ONE YEAR WARRANTY - If your BACtrack C6 ceases to function properly during the first year of operation, we will repair or replace...
SaleRANK NO. 8
Personal breathalyzer, Portable Alcohol Tester,Professional Grade Accuracy...
  • This breathalyzer is compact in appearance, very portable and can be tucked inside your purse, with a clock display, simple design...
  • Only detects alcohol content, no other extra functions interfere, so more accurate,Need to install 2 AAA batteries (not...
  • Easy to use, turn on the power button of the alcohol tester, wait 10 seconds for the warm-up time, then blow evenly for 3-6...
  • If the alcohol concentration reaches 0.020%-0.050% BAC 0.100mg/L-0.250mg/L, it will show the warning, more than 0.050% BAC,...
  • After drinking alcohol, wait 20 minutes before testing because alcohol has not yet entered the bloodstream within 20 minutes,...
RANK NO. 9
Breathalyzer,High-Accuracy Professional Alcohol Tester with 10 Mouthpieces,LCD...
  • Easy to use: Prepare two AA batteries in advance, turn on the power button of the alcohol tester, wait 15 seconds for the warm-up...
  • High Accuracy: This breathalyzer uses a high-precision semiconductor alcohol sensor to monitor your blood alcohol level to ensure...
  • Sound warning and color distinction: After using the alcohol tester, when the test result is less than 0.08% BAC, the green LED...
  • Measurement range: The alcohol measurement range is 0.00-0.20% BAC. The alcohol test result reaches the maximum value (0.20% BAC),...
  • What you will get: 1*breathalyzer, 1*instruction manual, 10* replaceable mouthpieces, 1*carrying bag.
SaleRANK NO. 10
BACtrack Element Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA...
  • PRO-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Element utilizes the same professional-grade...
  • ONE-BUTTON OPERATION - The BACtrack Element is extremely easy to use. Simply insert the two included AAA batteries, power on your...
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to...
  • SMALL & PORTABLE SIZE - The Element is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you...
  • ONE YEAR WARRANTY - If your BACtrack Element ceases to function properly during the first year of operation, we will repair or...
RANK NO. 11
Alcohol Breathalyzer, High-Accuracy Alcohol Breath Tester, Professional Blood...
  • 【Upgrade Accuracy Sensor】This alcohol breathalyzer adopted a high-precision semiconductor alcohol sensor to give you fast and...
  • 【Easy to Use】Our alcohol breath tester is only a button operation. Runs on 3*AAA batteries (included), so you won¡¯t have to...
  • 【Sound Warning】Three common units (%BAC, ¡ëBAC, mg/L) are available for you to choose from, when the test results are on the...
  • 【20 Replaceable Mouthpieces】Comes with replaceable mouthpieces and is washable and reusable. And there are 5 embedded...
  • 【Portable Design】This professional breathalyzer just needs a small space and it can be easily carried anywhere in your purse...
RANK NO. 12
Breathalyzer to Test Alcohol, VPOW Alcohol Breathalyzer Tester with Digital Blue...
  • 【SIMPLE OPERATION】This breathalyzer to test alcohol utilizes advanced sensors to provide precise measurements of your alcohol...
  • 【QUICKLY & ACCURATELY】The alcohol breathalyzer tester uses a sensitive semiconductor sensor, which can accurately display the...
  • 【MEASUREMENT RANGE】This alcohol breathalyzer can measure BAC levels from 0.00% to 0.20%. When the alcohol test result reaches...
  • 【PORTABLE & ENERGY-SAVING】This personal breathalyzer is small and portable, and can easily fit in your wallet or pocket along...
  • 【WIDELY AVAILABLE】The breathalyzer machine comes with 10 replaceable mouthpieces that are washable and reusable. Any questions...
RANK NO. 13
120 Pieces Breathalyzer Mouthpieces Compatible with S80 and S75 Breath Alcohol...
  • This sold item contains 1 pack of 120 mouthpieces.
  • Easy to install and carry portable
  • The mouthpieces is specifically designed for the S80, Scout, Element, Trace and S75 breath alcohol teste
  • The breathalyzer mouthpieces are easily removable, washable and reusable
  • Perfect choice for testing family and friends

Buying Guide to Select the Best Breathalyzers

Sensor and Performance

The breathalyzer is an instrument that, through the analysis of the exhaled alveolar air, allows to measure the concentration of alcohol in the blood. In particular, the component that detects the ethanol value is the sensor.

Before buying a breathalyzer, pay attention to the type and quality of the latter because it is the most sensitive and delicate part of the appliance and is altered by humidity, pollution, and other factors; sooner or later, it will have to be replaced.

On the market, there are numerous models with a very different cost. Compare prices and features but pay attention, therefore, to the sensor’s performance. A valid one should allow several hundred, if not thousands, of tests to be performed before being replaced.

The sensors can be a semiconductor, electrochemical, and infrared, but those for personal and non-professional use are the first that also have an affordable cost. Others may even cost thousands of euros, for example, those supplied to law enforcement.

In any case, the breathalyzer must have a high degree of accuracy to be able to get driving with an absolute peace of mind. The advice is to prefer models with a tolerance of no more than ± 10%.

The sensor itself does not have a short average life, the problem is the calibration that is lost over time, and it is, therefore, necessary to carry it out periodically. Most users, however, target those models that do not require it since they provide for the simple replacement of the sensor with a new one.

Dimensions and Mouthpieces

The size of the breathalyzer might make a difference to you. Some more equipped and complete models are even sold with a briefcase that, however practical, could prove too bulky for your needs.

In this case, the best brand of breathalyzers is the one that makes the smallest and most comfortable tools to always carry with you. Most of them, however, has a compact and light design that allows you to keep them in the glove compartment of the car or even in your purse.

There are, however, some models that are even pocket-sized and can always be kept with them as a key ring to carry out the test at any time and anywhere, without having to reach the car first, which, perhaps, is very far away.

We advise you to choose those models that have several individually sealed mouthpieces in the package – maybe four or five – and not just one. They are small plastic objects at a low price, but they are instrumental because they allow the test to be carried out quickly by several people.

Operation

The operation of the breathalyzers should not be complicated but, studying the user review, you could identify what seems the simplest of all, where the instructions in Italian are included which clearly explain how to set the values ​​for each unit of measurement.

Some have two, others more, for example,% BAC (Blood Alcohol Concentration), ‰ BAC, mg / l or mg / 100 ml, useful when you are in a foreign country that uses detection parameters other than Italian ones.

In any case, it should take a few seconds to detect the amount of alcohol in the blood, and almost all models are equipped with an acoustic and visual alarm that warns the user if the previously set values ​​have been exceeded. Finally, alcohol testers with the automatic switch-off function, to maximize battery life, are to be preferred.

Bluetooth

Driving safety is paramount, especially when going out in the evening and pulling your elbow a little. In addition to personal safety and that of others, you were driving. At the same time, intoxicated can lead to very high fines and the withdrawal of a license, in some cases, even criminal trials.

So getting a reliable breathalyzer like this can be the right solution. It is equipped with a Bluetooth connection, thanks to which it will be able to communicate with your smartphone for precise data visualization.

By downloading the free app on your smartphone, you can access all the information detected, so on display, it will be much clearer to check whether you are fit for driving or not. The breathalyzer does not have an LCD screen, so the only way to verify the information is to use the smartphone, a feature that in some cases can be limiting especially in situations where the battery is low or at the limit.

Information

Although for some, it is not exactly the maximum of comfort, the breathalyzer in question can provide a truly remarkable number of information that, in some cases, can save you a lot of trouble.

For example, with a particular algorithm, the breathalyzer is able even to calculate the recovery time that you will use to eliminate alcohol from the body and thus resume driving. Ideal if you are away from home and the taxi is out of the question, wait for the indicated time to pass, and you can safely get behind the wheel.

Speaking of taxis, in case you have exceeded the alcohol content permitted by law, the breathalyzer app will offer you the number of taxi companies in the city where you are. Finally, there is also the possibility of storing measurements and that of looking for a restaurant to have a bite to eat.

Design

The product has an ergonomic and compact design, ideal for storing it in the car dashboard, bag, or jacket pocket without cluttering too much. You can easily hold it in one hand; it also does not need to be recharged and will not even use that of the smartphone.

A beneficial idea that eliminates the need to carry yet another charger. In the package, you will find 50 spare spouts that can cover a reasonable period before having to be repurchased.

How to Use a Breathalyzer?

Get Behind the Wheel Sober

Calculating the ethanolamine ratio is essential before driving, not only to avoid severe penalties but also to preserve one’s own and others’ safety. Having one of these devices during the wildest evenings can help you keep an eye on the amount of alcohol you ingest.

It is possible to find different types, based on the sensor they are equipped with: semiconductor, electrochemical, and infrared. Those on the market, and at low cost, fall into the first category. They have a limited duration and are influenced by humidity and pollution. Usually, the manufacturer indicates the maximum number of uses before replacing the sensor or the entire device.

Tolerance Rate

Compared to those used by law enforcement agencies, which are much more expensive, they are more imprecise and have a decidedly high tolerance rate that must not exceed ± 10%. The returned value must, therefore, be taken with pliers and try to avoid getting behind the wheel if you fall slightly within the threshold allowed by the traffic regulations.

How to Use?

The use is straightforward, turn on the detector, wait for it to be ready, and when you receive the go-ahead via sound alarm or display, you can blow into the appropriate mouthpiece.

After a few seconds, the ethanol rate will be shown on the appropriate display or the proper phone app, if the breathalyzer communicates via Bluetooth with the smartphone.

If the device exceeds the legal threshold, depending on the model, it may emit audible and luminous warnings to attract your attention and advise you to wait before getting behind the wheel.

Purchase Additional Spouts

If you are in the company and want to perform an alcohol test on your friends to choose a sober driver, we recommend that you have additional plastic spouts, possibly sealed and disposable. This way, you don’t have to share yours and risk distorting the results. You can find for sale different models that offer practical cases to always keep in the car to perform the test at any time.

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