Concernant le Champagne 0.5g/l Single-use breathalyzer
The breathalyzer CONTRALCO is a single-use breathalyzer. It is produced in France and is « Chrome free » NF certified (NF = Norme Française / French standard).
This breathanalyser 0,2 g/blood liter is aimed to drivers. It measures the alcohol level in a someone's exhaled air. The breathanalyser indicates if the measured alcohol level is above or below than the threshold for which the device is calibrated. The result can be read according to the coloration of the reactive product that changes from white to red in presence of alcohol.
The self-test is valid for 24 months.