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prEN 50436-1 Edition 05/2023
Alcohol interlocks - Test methods and performance requirements - Part 1: Instruments having a mouthpiece and measuring breath alcohol for drink-driving-offender programs and general preventive use
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This document specifies test methods and performance requirements for alcohol interlocks having a mouthpiece. It covers alcohol interlocks to be used in all general preventive programmes and those for drink driving offenders and legally regulated programmes monitored or controlled in a comparable way. This document can also be used for alcohol interlocks intended for other applications. This document is directed at test laboratories and manufacturers of alcohol interlocks. It defines requirements and test procedures for type testing. Several parameters (such as alcohol concentration or breath volume) are specified in this document for the purpose of type testing according to this document only. However, it can be necessary due to national regulations or depending on user requests to set the values of the prescribed parameters differently when the alcohol interlocks are in use. This document also applies to alcohol interlocks integrated into other control systems of the vehicle as well as to accessory devices connected to the alcohol interlock. This document does not apply to — instruments measuring the alcohol concentration in the ambient air in the vehicle, — alcohol interlocks not having a mouthpiece, — methods of installation and connections to the vehicle.


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Technical Committee :
CLC/BTTF 116-2 : Alcohol interlocks


start of the vote on the project    13/05/2022   date of ratification (dor)    14/03/2023
end of the vote on the project    05/08/2022   date of anouncement (doa)    15/08/2023
start of the vote on the final project    20/12/2022   date of publication (dop)    15/11/2023
end of the vote on the final project    14/02/2023   date of withdrawal (dow)    15/11/2023

Publication Official Journal
of the Grand-Duchy of Luxembourg


Relations to older standards
ILNAS-EN 50436-2:2014
ILNAS-EN 50436-2:2014/A1:2015
ILNAS-EN 50436-1:2014/AC:2016-03
ILNAS-EN 50436-1:2014

International Classification for Standards (ICS codes) :

43.040.10 : Electrical and electronic equipment
71.040.40 : Chemical analysis


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