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European Standards for Alcohol
Interlocks Report on status and content Dr.
Johannes LagoisDräger Safety AG Co.
KGaALübeck / Germany Convenor ofCenelec BTTF
116-2Alcohol Interlocks
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What is an European Standard
European Standard (EN)
- high relevance- often referenced in European
or national laws- used as the detailed technical
requirements
Participation of all stakeholders
- authorities- users- manufacturers -
represented in each national committee- voting
for acceptance by national committees
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European Committee for Electrotechnical
Standardization Comité Européen de Normalisation
Electrotechnique Europäisches Komitee für
elektrotechnische Normung
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Why an European Standard ?
Available standards / requirements for alcohol
interlocks
- in several points weak or not clear - not the
actual state of the art
Experience in North America
- insufficient technical performance impairs the
image of alcohol interlocks and (new)
drink-driving-offender programs
Laws / regulations / users in European countries
- official European or international document
necessary for reference
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Cenelec Committee BTTF 116-2 on Alcohol
Interlocks

• Convenor Johannes Lagois
• - Participants Belgium, Finland, France,
  Germany, Netherlands, Norway, Spain, Sweden,
  United Kingdom

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General approach
- only technical tests and requirements for type
testing- no certain technical solutions
required (e.g. type of sensor
technology)- but performance requirements
(e.g. cross sensitivities, long term stability)
European Standard
National regulations
detailed settings for - limit value of ethanol
concentration - activation of retests
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EN 50436-1 Alcohol interlocks - Test methods
and performance requirements Part 1 Instruments
for drink-driving-offender programs
November 2005 officially published
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prEN 50436-2 Alcohol interlocks - Test methods
and performance requirements Part 2 Instruments
having a mouthpiece and measuring breath alcohol
for general preventive use
May 2007- final draft finished by committee-
Cenelec voting until September 2007- votes
(yes/no) of all Cenelec members
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prEN 50436-4 Alcohol interlocks - Test methods
and performance requirements Part 4 Connectors
for the electrical connection between the
alcohol interlock and the vehicle
March 2007- draft officially published
(connector types and pin assignments)- Cenelec
enquiry- 6 months for comments of all Cenelec
members
October 2007- discussion of comments
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Future work program
prEN 50436-3Alcohol interlocks - Test methods
and performance requirementsPart 3 Guidance
for decision makers, purchasers and users
- First draft under discussion
Part X Instruments not having a mouthpiece and
measuring breath alcohol for general preventive
use - So far only first general
discussions started
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Thank you for your attention !