Best Portable Breathalyzer for Alcohol Testing 2024

Convenience is the key to success in this rapidly evolving world and this not only implies to the daily tasks but also for some safety measures that are essential to be considered for someone who loves partying and drinking but is also considerate about the alcohol intake. They always ensure that they are sober enough before getting behind the wheel. For that reasons, having a portable breathalyzer beside them can make a huge difference in ensuring safety and peace of mind.

What is a Breathalyzer?

A Breathalyzer is a tool that is used to quantify the amount of alcohol vapors in a person’s breath and calculate their Blood Alcohol Content (BAC). As it identifies those who might be operating a car while intoxicated, it is crucial for safety. The chemical reaction that occurs between the alcohol molecules in one’s breath and a sensor inside the breathalyzer is the basis for the breathalyzer’s functionality. This chemical reaction’s output is subsequently converted into a numerical BAC reading, which is commonly represented as a percentage.

Top Rated Best Portable Breathalyzers In 2024

Thorough research and assessment has identified several standout options among the list of Portable Breathalyzers to assist individuals in making informed decision. These innovative devices are more accurate and user-friendly that offers a convenient way to monitor blood alcohol levels. From the compact models that can easily fit in your pockets to those equipped with advanced features, the top-rated portable breathalyzers are essential tools for safety- conscious individuals, that helps in preventing drunk driving and promote responsible drinking habits.

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1. BACtrack S80 Professional Breathalyzer

BACtrack S80 Professional Breathalyzer
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Available in: Australia, Canada, UK and US

Quick Overview

Rated as #1. The BACtrack S80 Professional Breathalyzer is the most relied on portable breathalyzers by consumers and the professionals. After an exhaustive 65-hour research ordeal, which even involved testing breathalyzers alongside law enforcement equipment, the conclusion was crystal clear. The BACtrack S80 Professional Breathalyzer ranks on the top in accuracy, reliability, and user-friendliness.

Alongside the exceptional performance, the BACtrack S80 Professional Breathalyzer largest platinum-based Xtend Fuel Cell Sensor technology that is trusted by hospitals, clinics, and even law enforcement agencies ensures precision one can count on. The warm-up time of 10-30 seconds (depending on the last use) means that test can be done swiftly and with confidence.

Different units of measurements can be switched effortlessly with setting up define BAC threshold for testing. Additionally, the BACtrack S80 Professional Breathalyzer is DOT/NHTSA APPROVED & FDA 510(k) CLEARED, making it the preferred choice of the safety-conscious individuals.

  • Patented Xtend Fuel Cell Sensor Technology.
  • Longer Battery Life.
  • No False Positives.
  • No manual included for the instruction on device operation.

2. HOYSG Professional Breathalyzer

HOYSG Professional Breathalyzer
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Available in: Australia, Canada, UK and US

Quick Overview

The HOYSG Professional Breathalyzer operation is effortless as after inserting the batteries, power button needs to be clicked. The middle button then pressed will lead to the alcohol mode. Wait for 20 seconds for the warm-up, then exhale into the alcohol tester for a brief 5 seconds, and results will be elegantly displayed on the LCD screen within 3 seconds.

At the core of this remarkable HOYSG Professional Breathalyzer, lies a high-precision semiconductor alcohol sensor that guarantees reliability and pinpoint accuracy. Also it is remarkably affordable. With 10 replaceable mouthpieces, the HOYSG Professional Breathalyzer goes extra mile. Crafted from edible PP, the mouthpieces are not only hygienic but also washable and reusable, making the investment last longer while promoting responsible testing.

HOYSG Professional Breathalyzer doesn’t compromise on the safety as when the test result surpasses 0.050% BAC or 0.500‰ BAC, it promptly emits a distinct alarm sound, serving as a vigilant guardian against excessive alcohol consumption. The measurement range covers a wide spectrum ranging from 0 to 0.199% BAC, 0 to 1.99 g/L, 0 to 0.999 mg/L, 0 to 199 mg/100M L, and 0 to 1.99% oProm.

  • Replaceable Mouthpieces.
  • High Definition LCD Display..
  • Battery Powered.
  • Requires 20 minutes waiting after drinking alcohol as the results will be inaccurate.

3. BACtrack C6 Keychain Breathalyzer

BACtrack C6 Keychain Breathalyzer
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Available in: Australia, Canada, UK and US

Quick Overview

The Zero Line Technology of the BACtrack C6 Keychain Breathalyzer, not just the BAC is measured but insights into the future are also gained. While you wonder when you will hit 0.00% BAC, the BACtrack C6 Keychain Breathalyzer provide estimated, allowing you to stay informed about when you’ll be back at baseline.

With the BACtrack App, you can call an Uber right from your smartphone, ensuring you make the right choice every time as driving is only indicated when the BACtrack reads 0.00%. Anything above that, and you have a direct line to responsibility.

The BACtrack C6 Keychain Breathalyzer allows freedom while usage. It can be used as a standalone device for direct results or through the BACtrack App for the wireless connectivity.

  • Advanced Zero-Line Technology.
  • Wireless Connectivity.
  • Professional Grade Accuracy.
  • Higher Price.

4. JASTEK Alcohol Breathalyzer

JASTEK Alcohol Breathalyzer
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Available in: Australia, Canada, UK and US

Quick Overview

Exceptional features are what makes this JASTEK Alcohol Breathalyzer unique. Firstly, it allows users to choose from 6 common-used units that aligns well with the international preferences. Secondly, it lets users customize caution and alarm values with their specific needs. Lastly, the JASTEK Alcohol Breathalyzer can store up to 32 recent test records for effortless review.

A convenient package for the JASTEK Alcohol Breathalyzer comes with Breathalyzer Alcohol Tester, User manual, Mouthpieces x10, USB cable and a Storage bag.

Monitoring the power level is a breeze with the When reliability is taken into account, the JASTEK Alcohol Breathalyzer always excels. With 1250 mAh rechargeable battery, the charging can last up to an impressive 3 months. The power level can be monitored easily with the LED smart display, making it an ideal choice for personal and professional use.

The JASTEK Alcohol Breathalyzer employs advanced technology, including a high-precision semiconductor alcohol sensor, to provide police-grade accuracy and dependable BAC readings in just 5 seconds. This professional breathalyzer consistently delivers accurate and reliable results every time.

  • Compact Handheld Design.
  • BAC Increment.
  • Memory 64 Tests.
  • Lacks wireless connectivity and app features.

5. QTlier Portable Breathalyzer

QTlier Portable Breathalyzer
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Available in: Australia, Canada, UK and US

Quick Overview

Incorporating a high high-precision nanotechnology sensor that delivers spot-on feedback displayed on the LCD screen, the QTlier Portable Breathalyzer assures that reliable results are delivered every time.

Convenience is redefined with the QTlier Portable Breathalyzer as it is just 126x51x23mm in size, weighing only 90g. It can be easily slip into the bag or the car ensuring you’re always equipped for any outing.

With a commitment to the environment, the QTlier breathalyzer is both energy-efficient and eco-conscious thereby reducing the environmental pollution. The included USB cable allows efficient charging, conveniently from multiple sources while keeping an eye on the power display.

QTlier Portable Breathalyzer provides the user with effortless operation. Simply insert the mouthpiece and press the start button. Hold it for a second, a beep sound will signal its activation. The screen then display “WAIT”, and a countdown will be initiated. When it hits zero, the screen will prompt “START”. Take a deep breath then and blow it for 5 Seconds. After a brief moment, results will be generated.

  • HD LCD Display.
  • Compact and portable.
  • 6 National units for measurement.
  • No wireless connectivity.


Several factors must be taken into account to select the top rated portable breathalyzers for alcohol testing in 2024. The key factors include the Accuracy, Sensors used, Portability, Adjustable Units, and wireless connectivity. All these should align well the individual requirements.
Regardless of the above given options, each device must offer precision, user-friendliness, and reliability to ensure individuals can make responsible decisions concerning alcohol consumption.

FAQs About Best Breathalyzer for Alcohol Testing

Q1. How do Breathalyzers work?

Answer: The measurement of the Blood Alcohol Content (BAC) in an individual is achieved through a breathalyzer. The device works by means of a chemical reaction within it and measures the concentration of alcohol vapors in a person’s breath.

Q2. How to pass Breathalyzer test?

Answer: The most reliable way to pass a breathalyzer test is to hold back from taking alcohol before driving or the machine operation. An attempt to trick or manipulate the test is illegal and unsafe as the breathalyzers are designed accurately to measure the Blood Alcohol Content (BAC).

Q3. What results in false positive Breathalyzer test?

Answer: Certain factors contributes to the breathalyzer test results being false positive which includes; Mouthwash containing alcohol, medical conditions like Gastric Acid Reflux, and exposure to alcohol based cleaning products. Also, factors related to the device like the improper calibration and the maintenance of the breathalyzer device also contribute to the false positive test results.

Q4. How often are Breathalyzers wrong?

Answer: The working of breathalyzers depends on their calibration and accuracy. When administered correctly, they yield results that are highly reliable. However, sometime minimal instances of inaccuracy due to certain factors such as the maintenance of the device can be present.