10 bestBreathalyzerof June 2025
112M consumers helped this year.
15% off
1
Alcohol Breathalyzer Tester Digital Breathalyser - Breath Testers with 11Pcs Mouthpieces for Home Personal Testing - High Accuracy Breathalysers with Digital LCD Screen
kungfuren
9.8
2
AlcoSense French NF Certified Breathalyzers for France & European Travel - Certified by National Laboratory of France - Breathalyser Twin Pack - NF Approved Alcohol Tester - European Breathalyser Kit
AlcoSense
9.6
3
AlcoSense Lite 2 Breathalyser/Alcohol Tester for UK, Ireland and Scotland/CE Approved Alcohol Detector & Home Breathalyzer
AlcoSense
9.3
4
AlcoSense Elite 3 Breathalyser | Auto Express 2022/23 Breathalysers Group Test Recommended | UK, Scottish & Irish Police Alcohol Limits | | Home Breathalyzer Alcotester | CE Approved Alcohol Test Kit
AlcoSense
9.0
5
AlcoSense Excel Breathalyser | Police Derived Fuel Cell Alcohol Sensor | Auto Express “Best Buy” & Evo Magazine Breathalyzer Test Winner | CE Approved Alcohol Tester | Precision Designed in the UK
AlcoSense
8.7
OtherUp to 3% off
Dräger Alcotest 4000 Breathalysers | Portable Breathalyzer & Alcohol Tester | Digital breathalyzer Police Grade & Evidential Accuracy | Reusable alcohol test kits | Travel, Personal, Professional Use
AlcoSense UK Single Use Breathalyser | Supplied to Several UK Police Forces for Road Safety Alcohol Awareness and Drink Drive Campaigns | Breathalyzer Works with all UK, Scottish and Irish Limits
Faazy Alcohol Breathalyzer UK Breathalyser Tester - Alcohol Tester with 5Pcs Mouthpieces High Accuracy Long Standby Time Alcohol Breath Tester Kit with Large Digital LCD Screen
VPOW Alcohol Breathalyzer UK Breathalyser Tester: Alcohol Tester with 10Pcs Mouthpieces - High Accuracy Alcohol Breath Tester with Digital LCD Screen - White
6
One Step: 10 x Alcohol Breathalyzer Breath Tester Kit - UK & EU Certified Test Kits
One Step
8.4
7
RUTIDA Breathalyzers, Breath Tester with 12 Mouthpieces, Professional Alcohol Breath Tester Portable Breathalysers with LCD Display Digital Fast, High Accuracy Alcohol Detector
RUTIDA
8.2
8
Alcohol Breathalyzer UK Breathalyser Tester: Alcohol Tester with 10Pcs Mouthpieces - High Accuracy Alcohol Breath Tester with Digital LCD Screen - Black
VPOW
7.9
9
Alcohol Breathalyzer, Portable Alcohol Breath Tester with 20Pcs Mouthpieces, High Accurate BAC Alcohol Breathalyzer, Professional Breathalysers Blood Alcohol Tester with LCD Digital Screen
Winload
7.6
15% off
10
VEIPAO Alcohol Breathalyzer Tester UK Breathalysers: Portable Breathalyser with 11 Mouthpieces - Digital LCD Screen Alcohol Test Kit High Accuracy for Home Personal Professional Use
VEIPAO
7.3
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A Guide to Selecting the Best Breathalyzer
Choosing the right breathalyzer can be crucial for ensuring safety and compliance with legal standards. A breathalyzer is a device that estimates blood alcohol content (BAC) from a breath sample. When selecting a breathalyzer, it's important to consider several key specifications to ensure you get a device that meets your needs. Understanding these specifications will help you make an informed decision and choose a breathalyzer that is accurate, reliable, and suitable for your intended use.
Accuracy
Accuracy refers to how close the breathalyzer's readings are to the actual BAC. This is important because an inaccurate reading could lead to dangerous situations or legal issues. Breathalyzers are typically rated for accuracy within a certain percentage of the actual BAC. High-end models used by law enforcement may have an accuracy of +/- 0.005% BAC, while consumer models might have an accuracy of +/- 0.01% BAC. If you need the breathalyzer for professional or legal purposes, opt for a model with higher accuracy. For personal use, a slightly less accurate model may suffice, but it should still provide reliable readings.
Sensor Type
The sensor type in a breathalyzer determines how it measures BAC. The two main types are semiconductor sensors and fuel cell sensors. Semiconductor sensors are generally less expensive and suitable for occasional use, but they can be less accurate and more prone to false positives. Fuel cell sensors are more accurate and reliable, making them the preferred choice for law enforcement and frequent users. If you need a breathalyzer for regular use or professional purposes, a fuel cell sensor is recommended. For occasional personal use, a semiconductor sensor may be adequate.
Calibration
Calibration ensures that the breathalyzer provides accurate readings over time. Breathalyzers need to be recalibrated periodically, typically every 6 to 12 months, depending on the model and usage. Some models allow for user calibration, while others need to be sent back to the manufacturer. Regular calibration is crucial for maintaining accuracy. If you prefer convenience, look for a model that offers easy or user-friendly calibration options. For those who don't mind sending the device for professional calibration, this might not be a significant concern.
Display and Readout
The display and readout of a breathalyzer show the BAC results. A clear, easy-to-read display is important for quickly understanding the results. Some models feature digital displays with backlighting, which can be useful in low-light conditions. Others may offer additional information, such as warnings for high BAC levels. If you need to use the breathalyzer in various lighting conditions or require additional information, choose a model with a high-quality, backlit display. For basic use, a simple digital readout may be sufficient.
Response Time
Response time is the duration it takes for the breathalyzer to provide a BAC reading after a breath sample is given. Faster response times are more convenient, especially if multiple tests are needed in a short period. Response times can range from a few seconds to over 30 seconds. If you need quick results, look for a breathalyzer with a response time of under 10 seconds. For occasional use, a slightly longer response time may not be a major issue.
Mouthpieces
Mouthpieces are the parts of the breathalyzer that you blow into to provide a breath sample. Some breathalyzers come with replaceable mouthpieces, which are important for hygiene, especially if the device is used by multiple people. The number of included mouthpieces and the availability of replacements can vary. If you plan to share the breathalyzer with others, ensure it comes with multiple mouthpieces and that replacements are easily available. For personal use, a few mouthpieces may be sufficient.
Portability
Portability refers to how easy it is to carry the breathalyzer with you. Smaller, lightweight models are more convenient for carrying in a pocket or bag, making them ideal for personal use on the go. Larger models may offer more features but can be less convenient to transport. If you need a breathalyzer for use in various locations, choose a compact, portable model. For home or stationary use, portability may be less of a concern.
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