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  • VIDEO
BACtrack Trace Professional Breathalyzer Portable Breath Alcohol Tester BlackMerchant Video
  • BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
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BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use

4.5 out of 5 stars 1,682 ratings

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Purchase options and add-ons

  • PRO-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Trace utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.

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This item: BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
$139.99($139.99/count)
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$59.99($0.60/count)
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$165.99($165.99/count)
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Product description

Powered by BACtrack's state-of-the-art Xtend Platinum Fuel Cell Sensor technology, the BACtrack Trace Professional Breathalyzer delivers reliable and accurate BAC results, with police-grade accuracy. From being used as an alcohol detector for employees in businesses to acting as an alcohol tester for patients in clinics or treatment centers, the Trace is perfect for a variety of professional alcohol sensing, detecting and testing applications. And because of its small size and portable design, it's also works great as a personal BAC breathalyzer. Help friends and family make better decisions while drinking with the accurate and affordable BACtrack Trace alcohol breathalyzer.


From the manufacturer


The Leader in Breathalyzers

BACtrack, the brand of breathalyzers, with over 14 years of experience in the industry, provides the most accurate, convenient and affordable breath alcohol testing devices on the market.

With its personal, professional and smartphone breathalyzers being sold in more than 20,000 retail stores in North America and in over 25 countries worldwide, BACtrack truly is the leader in breathalyzers.

BACtrack Trace Professional Breathalyzer

Compact, Accurate & Affordable!

The easiest way to get an accurate BAC reading in seconds, the new BACtrack Trace Professional Breathalyzer is perfect for every alcohol sensing application. This slim, stylish device is easy to use and utilizes BACtrack's award winning, state of the art, 2015 sensor technology. Equipped with BACtrack's police-grade Xtend Fuel Cell Sensor Technology, the Trace delivers the very highest accuracy and consistency, enabling you to make smarter decisions while drinking.

  • Xtend Fuel Cell Sensor Technology - The same technology trusted by hospitals, clinics, and law enforcement
  • Built In Memory - This convenient and practical test flashback memory saves the last 10 BAC readings for later reference
  • Advanced Features - Including continuous temperature checking, user-adjustable warning levels, and an internal mini-solenoid breath pump system
  • One Touch Operation - Simply power on your BACtrack Trace and begin testing in seconds

Why choose a BACtrack Professional Series Breathalyzer?

Police-Grade Accuracy, Every Time You Test

All BACtrack Professional Series breathalyzers employ BACtrack's proprietary police-grade Xtend Fuel Cell Sensor Technology and are ideal for applications that demand the most accurate results, such as clinical or roadside alcohol testing or personal BAC monitoring.

Precise, Consistent BAC Results

The linear response of BACtrack's Xtend Fuel Cell Sensor delivers precise results over the complete range of alcohol concentrations expected in the breath, from 0.000 to 0.400 percent BAC and excels in instances where individuals are tested repeatedly in a short period of time

Long-Term Reliability

BACtrack's Xtend Fuel Cell Sensors have an extended sensor life (when compared with other traditional sensors), which allows BACtrack Pro Series breathalyzers to maintain their accuracy for up to thousands of tests, delivering long-term reliability you can trust.

Benefits of Xtend Fuel Cell Sensor Technology

  • Police-Grade Accuracy
  • Precise, Consistent BAC Results
  • Long-Term Reliability
  • Sensitive Enough for High BAC Testing
  • Faster Warm Up Time
  • Longer Battery Life
  • No False Positives

BACtrack Trace Features

Simple, One-Touch Operation

The Trace is easy to use - insert the two AAA batteries that come with the product, and it's ready to test. When you press the start button, the BACtrack Trace counts down for approximately 10 seconds, preparing the system for a breath sample. When the countdown reaches zero, blow steadily and continuously for at least 5 seconds. If a sufficient breath sample has been taken, the user's estimated BAC is displayed on the screen.

Reliable Performance, Accurate Results

Despite its small size, the BACtrack Trace packs serious technology inside its black plastic casing. There is a miniature air pump inside the Trace that activates at the end of each breath sample. You can actually feel the 'click' during each test. This proprietary internal sampling system ensures that a precise breath sample enters the alcohol fuel cell sensor, and is one of the reasons why the Trace provides trusted, accurate results every test.

Test Yourself, Friends and Family

With it's easy to read LCD screen, extraordinary battery life and six extra included mouthpieces, BACtrack Trace is perfect for testing yourself as well as your friends and family. Take it with you wherever you go and gain peace of mind while keeping your loved ones safe with BACtrack.

The Military and Law Enforcement Trust BACtrack

Police Departments rely on BACtrack Breathalyzers as preliminary screening devices during DUI traffic stops to determine if someone is possibly intoxicated. They trust BACtrack because they know they are getting the most accurate BAC results possible.

Law Enforcement

Health Professionals

Alcohol Treatment Centers

Individuals

BACtrack Mobile Smartphone Breathalyzer
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BACtrack Trace Professional Breathalyzer
BACtrack S35 Personal Breathalyzer
BACtrack Go Keychain Breathalyzer
Customer Reviews
4.4 out of 5 stars 1,421
3.5 out of 5 stars 42
4.4 out of 5 stars 7,522
4.5 out of 5 stars 1,682
3.5 out of 5 stars 454
3.7 out of 5 stars 5,940
Ideal Use Personal & Professional Personal Personal & Professional Personal & Professional Personal Personal
Sensor Type Platinum Fuel Cell Semiconductor Platinum Fuel Cell Platinum Fuel Cell Semiconductor Semiconductor
Accuracy Rating 10 - Most Accurate 7 - Very Accurate 10 - Most Accurate 9 - Extremely Accurate 7 - Very Accurate 6 - Accurate
LCD Screen no data no data
Bluetooth Connectivity no data no data no data no data
ZeroLine - Estimates time to 0.000% BAC no data no data no data no data
Battery Type Mini-USB Rechargeable Lithium Ion 1 x AAA battery 2 x AA batteries 2 x AAA batteries 2 x AAA batteries 1 x AAA battery
One Year Warranty

Safety and product resources

Safety documents

Product information

Technical Details

Manufacturer ‎BACtrack
Place of Business ‎SAN FRANCISCO, CA, 94133 US
Item model number ‎BT-P3
Product Dimensions ‎10.8 x 4.75 x 1.59 cm; 86.18 g
ASIN ‎B00R2X59A4

Additional Information

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BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use


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Product details

  • Batteries ‏ : ‎ 2 A batteries required. (included)
  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 10.8 x 4.75 x 1.59 cm; 86.18 g
  • Date First Available ‏ : ‎ Feb. 25 2015
  • Manufacturer ‏ : ‎ BACtrack
  • Place of Business ‏ : ‎ SAN FRANCISCO, CA, 94133 US
  • ASIN ‏ : ‎ B00R2X59A4
  • Item model number ‏ : ‎ BT-P3
  • 鶹 Rank: #14,997 in Health & Personal Care (See Top 100 in Health & Personal Care)
  • Customer Reviews:
    4.5 out of 5 stars 1,682 ratings

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Customer reviews

4.5 out of 5 stars
1,682 global ratings

Review this product

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Customers say

Customers like the effectiveness, ease of use, and quality of the product. They mention it does the job accurately every time, is easy to use, and has good value for money. Customers also appreciate the compact size. However, some customers have different opinions on the accuracy.

41 customers mention "Effectiveness"35 positive6 negative

Customers like the effectiveness of the product. They mention it works good, does the job accurately every time, and gives very consistent and reproducible results. Some say it's good to use if a friend wants to drive.

"Great product. Works great. Easy to use...." Read more

"The unit gives very consistent and reproducible results so I have a good feeling about it's accuracy...." Read more

"Works well. Tested it all day and gave consistantly results. Easy to use. Smaller the an avg smart phone. Recommend." Read more

"Great item Works good and fairly accurate" Read more

22 customers mention "Ease of use"19 positive3 negative

Customers find the product easy to use. They mention it's lightweight, seems precise, and the BAC breathalizer is great.

"Works well. Tested it all day and gave consistantly results. Easy to use. Smaller the an avg smart phone. Recommend." Read more

"...Nice and compact and easy to use. Arrived on time. Think it was a ok value. Will see how long it lasts" Read more

"Simple to use and works perfectly." Read more

"Great, easy to use BAC breathalizer...." Read more

16 customers mention "Quality"16 positive0 negative

Customers are satisfied with the quality of the product. They mention it's a reliable machine and compact.

"Great product. Works great. Easy to use...." Read more

"Good quality" Read more

"...Nice and compact and easy to use. Arrived on time. Think it was a ok value. Will see how long it lasts" Read more

"...Really well made and although I can't confirm absolute accuracy, the numbers I was getting were very close to BAC calculations...." Read more

15 customers mention "Value for money"15 positive0 negative

Customers are satisfied with the value for money of the product. They mention it's a good buy and worth the money.

"Good product..." Read more

"Very good. Worth the money all day long" Read more

"...It was expensive but worth the money to know that it works." Read more

"...Nice and compact and easy to use. Arrived on time. Think it was a ok value. Will see how long it lasts" Read more

7 customers mention "Compact size"7 positive0 negative

Customers like the compact size of the product.

"Works well. Nice compact size." Read more

"...Nice and compact and easy to use. Arrived on time. Think it was a ok value. Will see how long it lasts" Read more

"...So I bought one. This unit is so small that it fit in a pocket. It provide very constant results, accuracy is excellent...." Read more

"...Easy to use. Smaller the an avg smart phone. Recommend." Read more

31 customers mention "Accuracy"20 positive11 negative

Customers have mixed opinions about the accuracy of the product. Some mention it seems fairly accurate and gives very consistent and reproducible results. However, some customers have reported that accuracy dropped within 20 readings and every reading was different to the extreme.

"The unit gives very consistent and reproducible results so I have a good feeling about it's accuracy...." Read more

"...results were all over the place and I even had one that read insanely high for no reason...." Read more

"Accurate product" Read more

"...It provide very constant results, accuracy is excellent. I need my car for my work and a few times I was too close to the limit...." Read more

BacTrack
5 out of 5 stars
BacTrack
I never post reviews but was sceptical with this small alcohol screening device compaired to the ones we use in our police force. I did test it with an alcohol standard (same procedure for the police screening devices as I am qualified to calibrate the alco-sensor FST). At see level it is 82mg% but at the moment/location I tested it, the target was 83mg% so 0.083. First test came back exacly 0.083. I was really impressed. These little things are temeperature sensitive. Don't leave it in your car if it is too hot or cold as it could damage the fuel cell like any other alcohol devices. I'll try to test it in few months to see how it can stay accurate. Of course, this is only for personnal usage anyway so even if it is of by 5mg%, it's not that of a big deal. Just remember that you need to wait 15 mins after consomption before testing. And your alcohol level should still continue to rise if you only stopped drinking 15 mins ago...
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Top reviews from Canada

  • Reviewed in Canada on July 8, 2025
    Verified Purchase
    Va très bien, petit et pratique
    Report
  • Reviewed in Canada on March 10, 2024
    Verified Purchase
    Bought this because I had always heard the "the legal limit is 0.08" line, but that really means nothing if you've never had your BAC tested ever in your life.

    At first, the results were all over the place and I even had one that read insanely high for no reason. But then I realized I had still been drinking my drink 2 minutes previous and the instructions say to wait 20 minutes after eating and drinking before testing.

    After that I finished my drinks and waited at least 20+ minutes before testing and did 3 tests in a row - they read 0.04, 0.039, and 0.039. Probably 25 minutes after that I did another test and got 0.038. These results seemed very consistent, so just make sure you actually follow the "no food or drinks for 20 minutes" rule if you want accurate readings.

    I'm guessing a lot of the more negative reviews on this thing are from people who were not following the directions, because at first I was like "what the ... why is each reading so different" until I started using it correctly.
    3 people found this helpful
    Report
  • Reviewed in Canada on February 18, 2025
    Verified Purchase
    After reading carefully the user manual on line ,I discovered that my problem was the use of the wrong type of battery. This unit absolutely requires ALKALINE batteries to function properly.
    Thank you BACtrack for the speedy offer to refund. It won't be necessary now. My apologies.
  • Reviewed in Canada on December 19, 2016
    Verified Purchase
    The unit gives very consistent and reproducible results so I have a good feeling about it's accuracy. Of course, there is no way to say what the absolute accuracy of a reading is short of taking it to the police station, but at least the readings are very consistent. The unit can't be used in court and they do say it should be recalibrated every 6 months. But of course I don't plan to do that since it would need to go to California.

    I kept getting the FLO error until I realized that you don't need to blow hard, but you do need to blow for the full 5 seconds until you hear the unit go "clunk". After I discovered this procedure, no more FLO errors.

    I contacted their customer service to find out if the third smaller digit is the thousandth in the reading. It is the thousandth so the 3 in 0.023 but since the accuracy is quoted as plus/minus 0.005 they make the display smaller for the thousandth digit.

    All in all, I am pleased with the unit as I have heard a lot of tales about cheap junk being sold to read BAC. It was expensive but worth the money to know that it works.
    12 people found this helpful
    Report
  • Reviewed in Canada on September 1, 2024
    Verified Purchase
    Je voulais depuis longtemps acheter ceci, car souvent on pense qu'on est ''CORRECT'' pour conduire...
    Alors, j'ai fait des analyses aujourd'hui. J'ai bu de l'alcool, dès que je me suis senti un peu wout wout...j'ai fait le test. OUPELAY...avant j'aurais pris ma voiture....mais ooohhhh que non, je dépassais la limite permise.
    J'ai ensuite cessé la prise d'alcool, je n'ai pas mangé, je n'ai bu que de l'eau et environ 30 minutes plus tard j'ai refais le test et c'était plus convenable. Je pourrais dire, que 30 minutes plus tard. TOUT était OK pour conduire ma voiture.
    Excellent produit
    2 people found this helpful
    Report
  • Reviewed in Canada on October 23, 2022
    Verified Purchase
    I never post reviews but was sceptical with this small alcohol screening device compaired to the ones we use in our police force. I did test it with an alcohol standard (same procedure for the police screening devices as I am qualified to calibrate the alco-sensor FST). At see level it is 82mg% but at the moment/location I tested it, the target was 83mg% so 0.083. First test came back exacly 0.083. I was really impressed. These little things are temeperature sensitive. Don't leave it in your car if it is too hot or cold as it could damage the fuel cell like any other alcohol devices. I'll try to test it in few months to see how it can stay accurate. Of course, this is only for personnal usage anyway so even if it is of by 5mg%, it's not that of a big deal. Just remember that you need to wait 15 mins after consomption before testing. And your alcohol level should still continue to rise if you only stopped drinking 15 mins ago...
    Customer image
    Max
    5.0 out of 5 stars
    BacTrack

    Reviewed in Canada on October 23, 2022
    I never post reviews but was sceptical with this small alcohol screening device compaired to the ones we use in our police force. I did test it with an alcohol standard (same procedure for the police screening devices as I am qualified to calibrate the alco-sensor FST). At see level it is 82mg% but at the moment/location I tested it, the target was 83mg% so 0.083. First test came back exacly 0.083. I was really impressed. These little things are temeperature sensitive. Don't leave it in your car if it is too hot or cold as it could damage the fuel cell like any other alcohol devices. I'll try to test it in few months to see how it can stay accurate. Of course, this is only for personnal usage anyway so even if it is of by 5mg%, it's not that of a big deal. Just remember that you need to wait 15 mins after consomption before testing. And your alcohol level should still continue to rise if you only stopped drinking 15 mins ago...
    Images in this review
    Customer image
    18 people found this helpful
    Report
  • Reviewed in Canada on January 31, 2023
    Verified Purchase
    I had the product for a week and the product started to give 0.00 alcohol readings despite having a few drinks.

    I tried returning the item only to find out that 鶹 lists it as a non-returnable personal use item. This is not disclosed in their return policy or the item description.
    4 people found this helpful
    Report
  • Reviewed in Canada on July 28, 2024
    Verified Purchase
    Je l'ai acheté au cas que... Je m'en suis servi quelques fois à date, question d'être certaine de pouvoir prendre la route en toute sécurité. Ou juste pour savoir qui des deux va conduire.👌

Top reviews from other countries

Translate all reviews to English
  • Sas Montegrosso
    1.0 out of 5 stars Mise pas de mode d’emploi en français en fonction
    Reviewed in France on October 30, 2024
    Verified Purchase
    Bonjour, le mode d’Emploi n’est pas en français
    Report
  • Davide D.
    5.0 out of 5 stars Sembra molto utile.
    Reviewed in Italy on January 2, 2025
    Verified Purchase
    Funziona bene e le misurazioni sono sovrapponibili nel breve tempo. La conversione da BAC in grammi per litro di sangue (parametro valutato per la legge italiana) si fa semplicemente moltiplicando X10 il valore ottenuto, ad esempio se il valore BAC è 0,05 in grammi/litro sarà 0,5 , valore limite per la legge in Italia. Spero solo che i valori rilevati siano precisi. Questa sera ho bevuto vino in libertà a tavola e a fine pasto un super alcolico da 40 gradi . Dopo 20 minuti circa il tasso alcolemico rilevato più volte era 0,35 gr/l. Spero fosse giusto! ( non dovevo comunque guidare io).
  • Cheryl Harlow
    5.0 out of 5 stars Excellent product
    Reviewed in Australia on January 31, 2024
    Verified Purchase
    Well made product
  • Navegante Fenicio
    5.0 out of 5 stars FACIL DE USAR
    Reviewed in Mexico on July 26, 2023
    Verified Purchase
    CUMPLE BIEN CON SU PROPOSITO Y TIENE BUEN PRECIO
  • R. J. Harries
    5.0 out of 5 stars Compact, well designed and accurate
    Reviewed in the United Kingdom on May 31, 2025
    Verified Purchase
    This arrived well packaged in a branded cardboard box. It is compact and well designed. Set up is simple and easy. Just follow the instructions and leave at least 20 minutes before testing. I found that the results were very consistent. Handy little gadget. High price point but that is reflected in the quality, design and accuracy of the product.

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