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Chemical Breathalyzer

Addictive Substances

Chemical Breathalyzer

Measures blood alcohol content quickly and accurately

Features

  • Detection Thresholds: 0.25mg/L of exhaled air 0.5g/L of blood OR 0.10mg/L of exhaled air 0.2g/L of blood.
  • Operating Temperature: 5°C to 40°C
  • Storage: -20°C to 70°C

A rapid and accurate breathalyzer

Benefits of the chemical breathalyzer.

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EASY TO USE

Operates without electronic equipment or specific training, relying on a chemical reaction.

RAPID

Provides an indication of the alcohol level within seconds.

TRANSPORTABLE

Compact format, easily usable on the go or in the field.

Drugs and Alcohol in the Workplace: Why Screening is Essential?

1 in 2 individuals

has consumed at least one drug during their lifetime. 

10 to 20%

of workplace accidents involve excessive alcohol consumption.

40 to 45%

of deaths in high-risk sectors are linked to alcohol consumption.

Source: Santé Addictions. (2022). Alcohol in the Workplace: High Risks.

Practical information

Kit Contents: 

  • 1 reagent test
  • 1 detailed instructions
  • Balloon breathalyzer available upon request

References

    • Balloon-free breathalyzer – eco-friendly 0.25mg/L: OPFREEDRIVE025

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1. Alcohol and Driving: What You Need to Know

Alcohol consumption remains a widespread practice in France.

According to the latest data from Santé publique France, nearly 9 out of 10 adults report consuming alcohol at least occasionally, with approximately one-quarter of them consuming it weekly.

Although the general trend has shown a slight decrease over several years, episodic heavy drinking (binge drinking), particularly among young adults, remains a concern.

Alcohol remains one of the primary causes of road accidents, especially among individuals aged 18-24, for whom it is implicated in approximately 1 out of 3 fatal accidents.

These figures underscore the importance of prevention, awareness, and screening tools.

Both chemical and electronic breathalyzers share the same objective: to measure the alcohol concentration in exhaled breath to estimate blood alcohol content (BAC). 

Their primary difference lies in their mode of operation. 

  • The chemical breathalyzer, such as FREEDRIVE, operates via a chemical reaction: when an individual exhales into the tube, the alcohol present in the exhaled breath induces a color change in an internal reagent. This is a single-use test, simple to operate, reliable, and maintenance-free. 
  • Conversely, the electronic breathalyzer is a reusable device equipped with an electrochemical or semiconductor sensor. It provides a more precise digital reading, but it is more expensive, requires regular calibration, maintenance, and operates on battery power.

In summary, the chemical breathalyzer is ideal for occasional use, particularly for personal or corporate prevention, whereas the electronic version is better suited for frequent or professional applications.

Many theories circulate regarding how to 'trick' a breathalyzer, but the reality is often quite different.

Contrary to popular belief, drinking water, consuming coffee, brushing one's teeth, or waiting a few minutes does not eliminate alcohol from the breath. These actions may temporarily mask the odor of alcohol but do not alter the measured blood alcohol content (BAC), which reflects the alcohol concentration in the blood, not in the mouth.

Similarly, the use of mints or mentholated chewing gum does not influence the test result. 

The duration for which alcohol is detectable in the blood depends on several factors: the quantity consumed, gender, weight, health status, and even whether the individual has eaten or not.

On average, the body eliminates approximately 0.15 g/L of alcohol per hour. This implies that after consuming a standard drink (approximately 10 g of pure alcohol), blood alcohol content decreases very slowly and can remain detectable for several hours. For instance, an individual with a BAC of 0.5 g/L will require approximately 3 to 4 hours to return to zero. Therefore, relying solely on one's perception is hazardous: only a breathalyzer test can verify if one is truly fit to drive.  

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