ACS SAF'IR EVOLUTION Instruction Manual page 5

SAF'IR EVOLUTION is a portable ethylometre certified according to the International
Recommendation R.126 of the International Organization of Legal Metrology concerning
ethylometres, 1998 Edition.
SAF'IR EVOLUTION measures the concentration of ethanol in exhaled breath. Numerous
studies carried out worldwide have shown that the ratio of blood alcohol concentration
(BAC) to exhaled alveolar breath alcohol concentration (BrAC) is a constant.
SAF'IR EVOLUTION is a self-contained and portable instrument that may be used either
indoors or outdoors. The results of the tests performed by SAF'IR EVOLUTION present
evidential accuracy and the printed confirmation may be used in court, according to the local
regulations.
Terms used in this manual:

BrAC = breath alcohol concentration

BAC = blood alcohol concentration

Legal limit = set according to each country's local regulations
SAF'IR EVOLUTION Instruction Manual P a g e 5