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.

SaleRANK NO. 1
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...
RANK NO. 2
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. 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...
  • PRACTICAL & EASY TO USE - Blow for 5 seconds and your BAC results are displayed 10 seconds later on a bright, easy to read LCD...
  • THE MOST ACCURATE BREATHALYZER AVAILABLE - In your efforts to drive more responsibly you need the most accurate results. While...
  • DOT APPROVED IN ALL 50 STATES - FDA 510(k) CLEARED - A portable alcohol tester designed to surpass the most rigorous standards of...
RANK NO. 4
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...
RANK NO. 5
Breathalyzer - JondKeile Accurate Detection Portable Breath Alcohol Tester,...
  • ✔️ACCURATE DETECTION: The breathalyzer tester uses a high-sensitivity semiconductor gas sensor, and the detection results are...
  • ✔️EASY to USE: The alcohol tester is accompanied by a warning sound, which is easy to use, you can blow in 2-3 seconds, and...
  • ✔️EASY to CARRY: The breathalyzer is light and small in size: 4x1.2x0.8 inches, it is simple and reliable, it can be carried...
  • ✔️WHERE to USE:The breathalyzer has a wide range of uses and can be used by roadside law enforcement officers, medical workers...
  • ✔️GUARANTEE for YOU: Our breathalyzer has undergone strict testing and is committed to providing you with first-class quality...
RANK NO. 6
QTlier Portable Breathalyzer with LCD Digital Display for Personal,...
  • ✅ACCURATE TESTING(Christmas Gift): This alcohol tester is composed of advanced high-precision nanotechnology sensor, which can...
  • ✅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. 7
BACtrack Scout Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA...
  • PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Scout utilizes the same pro-grade...
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Scout is extremely easy to use. Simply insert the two included AAA batteries, power on...
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to...
  • SMALL & PORTABLE SIZE - The Scout is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you...
  • ONE YEAR WARRANTY - BACtrack stands behind every product we manufacture and sell, but if during the first year of operation any...
RANK NO. 8
Breathalyzer,High-Accuracy Professional Alcohol Tester with 10 Mouthpieces,LCD...
  • Easy to use: Prepare two AAA 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, 1*carrying bag
SaleRANK NO. 9
BACtrack Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol...
  • 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 keychain breathalyzer and begin testing in seconds. It's that...
  • TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great...
  • 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 Keychain ceases to function properly during the first year of operation, we will repair or...
RANK NO. 10
Breathalyzer - JondKeile Alcohol Test USB Rechargeable, High Precision, LED...
  • ✨DIGITAL LCD DISPLAY: Alcohol tester using professional airway designs and high-precision semiconductor sensor design, it can...
  • ✨COLOR DISTINCTION AND SOUND WARNING: Warning Sound and Versatility: The warning sound will vary depending on the degree of...
  • ✨CONVENIENT TO CARRY: Breathalyzer tester Compact, Fingerprint & Stain Resistant: Weighing only 1.5 oz (39 g), this drinking...
  • ✨EASY TO USE:(Hall Switch Design) Clamshell design. One hand operation allows for easy inspection. When the lid is closed, the...
  • ✨PACKAGE INCLUDES: Alcohol breathalyser includes: 1 Alcohol tester, 5 Mouthpieces. BUILT-IN BATTERY & LONG LASTING PRODUCT 5000...
SaleRANK NO. 11
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...
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Element is extremely easy to use. Simply insert the two included AAA batteries, power...
  • 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...
RANK NO. 12
Professional-Grade Accuracy Breathalyzer, Portable Alcohol Tester with LCD...
  • 【Sensitivity & High Precision】Alcohol tester meets police-level accuracy.Breathalyzer has intelligent sensors, semiconductors...
  • 【Easy To Operate】 Just press the power button for 3 second to start the professional alcohol tester, wait 10 seconds for...
  • 【Energy-Saving & Auto-Off Function】Breathalyzer powered by two AAA batteries (not included, but commonly available), it...
  • 【Easy To Read Lcd Display Light】With the LCD display, breathalyzer is easier to read even in less than optimal light...
  • 【Portable Design】This professional alcohol breathalyzer just need small space, can be easily carried in your wallet or pocket...
RANK NO. 13
Breathalyzer, Portable Digital Breath Alcohol Tester, Professional-Grade...
  • 【𝐏𝐎𝐋𝐈𝐂𝐄-𝐆𝐑𝐀𝐃𝐄 𝐀𝐂𝐂𝐔𝐑𝐀𝐂𝐘】With advanced semi-conductor sensor,utilizes...
  • 【𝗘𝗔𝗦𝗬 𝗧𝗢 𝗨𝗦𝗘】Just one-button operation, it's easy to turn the device on and test it in seconds....
  • 【𝗧𝗔𝗞𝗘 𝗜𝗧 𝗪𝗜𝗧𝗛 𝗬𝗢𝗨 𝗔𝗡𝗬𝗪𝗛𝗘𝗥𝗘 】Lightweight breath alcohol tester...
  • 【𝗕𝗔𝗖𝗞𝗟𝗜𝗚𝗛𝗧 𝗟𝗖𝗗 𝗗𝗜𝗦𝗣𝗟𝗔𝗬】With the LCD display, it is easier to read...
  • 【𝗢𝗡𝗘 𝗬𝗘𝗔𝗥 𝗪𝗔𝗥𝗥𝗔𝗡𝗧𝗬】If you are not satisfied or have any quality problems, please...

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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