NEN EN 54-12 : 2015

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
   4.1 Compliance
   4.2 Individual alarm indication
   4.3 Connection of ancillary devices
   4.4 Manufacturer's adjustments
   4.5 On-site adjustment of response threshold value
   4.6 Protection against ingress of foreign bodies
   4.7 Monitoring of detachable detectors and
        connections
   4.8 Limit of compensation
   4.9 Additional requirements for software controlled
        detectors
        4.9.1 General
        4.9.2 Software design
        4.9.3 The storage of programs and data
   4.10 Fault signalling
5 Test methods
   5.1 General
        5.1.1 Atmospheric conditions for tests
        5.1.2 Operating conditions for tests
        5.1.3 Mounting arrangements
        5.1.4 Tolerances
        5.1.5 Measurement of response threshold value
        5.1.6 Provision for tests
        5.1.7 Test schedule
   5.2 Reproducibility
        5.2.1 Object
        5.2.2 Test procedure
        5.2.3 Requirements
   5.3 Repeatability
        5.3.1 Object
        5.3.2 Test procedure
        5.3.3 Requirements
   5.4 Directional dependence
        5.4.1 Object
        5.4.2 Test procedure
        5.4.3 Requirements
   5.5 Variation of supply parameters
        5.5.1 Object
        5.5.2 Test procedure
        5.5.3 Requirements
   5.6 Rapid changes in attenuation
        5.6.1 Object
        5.6.2 Test procedure
        5.6.3 Requirements
   5.7 Slow changes in attenuation
        5.7.1 Object
        5.7.2 Test procedure
        5.7.3 Requirements
   5.8 Optical path length dependence
        5.8.1 Object
        5.8.2 Test procedure
        5.8.3 Requirements
   5.9 Fire sensitivity
        5.9.1 Object
        5.9.2 Test procedure
        5.9.3 Requirements
   5.10 Stray light
        5.10.1 Object
        5.10.2 Test procedure
        5.10.3 Requirements
   5.11 Dry heat (operational)
        5.11.1 Object
        5.11.2 Test procedure
        5.11.3 Requirements
   5.12 Cold (operational)
        5.12.1 Object
        5.12.2 Test procedure
        5.12.3 Requirements
   5.13 Damp heat, steady state (operational)
        5.13.1 Object
        5.13.2 Test procedure
        5.13.3 Requirements
   5.14 Damp heat, steady state (endurance)
        5.14.1 Object
        5.14.2 Test procedure
        5.14.3 Requirements
   5.15 Vibration (endurance)
        5.15.1 Object
        5.15.2 Test procedure
        5.15.3 Requirements
   5.16 Electromagnetic compatibility (EMC), immunity
        tests (operational)
   5.17 Sulphur dioxide SO[2] corrosion (endurance)
        5.17.1 Object
        5.17.2 Test procedure
        5.17.3 Requirements
   5.18 Impact (operational)
        5.18.1 Object
        5.18.2 Test procedure
        5.18.3 Requirements
6 Marking and data
   6.1 Marking
   6.2 Documentation
        6.2.1 General
        6.2.2 Software documentation
Annex A (normative) Bench for response threshold
        value measurements
   A.1 Technical characteristics of the attenuators
   A.2 Measuring bench
Annex B (normative) Fire test room
Annex C (normative) Smouldering pyrolysis wood fire
        (TF2)
   C.1 Fuel
   C.2 Hotplate
   C.3 Arrangement
   C.4 Heating rate
   C.5 End of test condition
   C.6 Test validity criteria
Annex D (normative) Glowing smouldering cotton fire
        (TF3)
   D.1 Fuel
   D.2 Arrangement
   D.3 Ignition
   D.4 End of test condition
   D.5 Test validity criteria
Annex E (normative) Flaming plastics (polyurethane) fire (TF4)
   E.1 Fuel
   E.2 Arrangement
   E.3 Ignition
   E.4 End of test condition
   E.5 Test validity criteria
Annex F (normative) Flaming liquid (n-heptane) fire (TF5)
   F.1 Fuel
   F.2 Arrangement
   F.3 Ignition
   F.4 End of test condition
   F.5 Test validity criteria
Annex G (normative) Apparatus for stray light
   G.1 Installation
   G.2 The light source
Annex ZA (informative) Clauses of this European
         Standard addressing essential requirements or
         other provisions of EU Directives
Bibliography

Defines requirements, test methods and performance criteria for line detectors using an optical beam that detect smoke by utilizing the attenuation and/or changes in attenuation of an optical beam, for use in fire detection and fire alarm systems installed in buildings.