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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 Alcohol
  3.2 Breath alcohol test device
  3.3 Operating state
  3.4 Normal mode
  3.5 Test mode
  3.6 Units of measurement
  3.7 Manufacturer
  3.8 Verification
  3.9 Adjustment
  3.10 Mouthpiece
4 Type-testing
5 Safety
  5.1 General comments
  5.2 Hygiene
  5.3 Electrical Safety
6 General specifications
  6.1 General Requirements
  6.2 Maximum permissible error (MPE)
  6.3 Measurement range
  6.4 Operating environmental conditions
  6.5 Ease of Use
  6.6 Breath sampling method
  6.7 Expression of results
  6.8 Adjustment
  6.9 Start-up time
  6.10 Frequency of measurement
  6.11 Power supply duration
  6.12 Data storage
  6.13 General Device Functions
7 Metrological characteristics for testing
  7.1 General conditions
  7.2 Test gas characteristics
  7.3 Reference conditions
  7.4 Accuracy tests
  7.5 Memory effects
  7.6 Influence factors
  7.7 Mechanical and climatic disturbances
  7.8 Electrical disturbances
8 Marking
9 Operating instructions
Annex A (informative) - EXAMPLE OF TYPE TESTING
        REQUIREMENTS
  A.1 Additional information for compliance testing
  A.2 Certification procedure
Annex B (informative) - DUBOWSKI FORMULA
Annex C (informative) - SIMULATED TETRA IMMUNITY TEST
  C.1 Test procedure - General
  C.2 Test Frequencies
  C.3 Test Limits
  C.4 Modulation
Annex D (informative) - SOFTWARE VALIDATION & VERIFICATION
  D.1 Introduction
  D.2 Security
Bibliography

BS EN 15964