NEN EN 54-3 : 2014+A1:2019

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Compliance
  4.2 Sound level
  4.3 Frequency and sound pattern
  4.4 Durability
  4.5 Construction
  4.6 Marking and data
5 Tests
  5.1 General
  5.2 Reproducibility
  5.3 Operational performance
  5.4 Durability
  5.5 Dry heat (operational)
  5.6 Dry heat (endurance)
  5.7 Cold (operational)
  5.8 Damp heat, cyclic (operational)
  5.9 Damp heat, steady state (endurance)
  5.10 Damp heat, cyclic (endurance)
  5.11 Sulfur dioxide (SO[2]) corrosion (endurance)
  5.12 Shock (operational)
  5.13 Impact (operational)
  5.14 Vibration, sinusoidal (operational)
  5.15 Vibration, sinusoidal (endurance)
  5.16 Electromagnetic compatibility (EMC), immunity
       (operational)
  5.17 Enclosure protection
Annexes
Annex A (normative) - Sound level test for fire alarm
                         sounders
A.1 General
A.2 Mounting arrangements
A.3 Instrumentation
A.4 Background noise level
A.5 Measurement of sound level
Annex B (normative) - Comparative sound level test during
                         environmental conditioning
B.1 General
B.2 Test chamber
B.3 Mounting arrangements
B.4 Instrumentation
B.5 Background noise level
B.6 Test procedure
Annex ZA (informative) - Clauses of this European Standard
                         addressing essential requirements
                         or other provisions of EU Directives
ZA.1 Scope and relevant clauses
ZA.2 Procedures for the attestation of conformity of fire
     alarm sounders covered by this standard
ZA.3 CE marking and labelling and accompanying documentation
ZA.4 EC certificate and declaration of conformity
Bibliography

Defines the requirements, test methods and performance criteria for fire alarm sounders, including voice sounders, in a fixed installation intended to signal an audible warning between the fire detection and fire alarm systems and the occupants of a building.