Heavy rail / Urban light rail

Acoustic Checks on Safety Equipment

Evaluate the audibility of sound-based safety equipment for its type approval.

Tests objectives

Measure sound levels of shunting whistles, detonators and audible warning devices

Tests facilities

  • Sound level meters (Class 1)
  • Multichannel data acquisition system

Accreditations

ISO/IEC 17025 awarded by COFRAC

Testing norms

EN 15153-2 – External visible and audible warning devices for high-speed trains – Part 2: Warning horns

EN ISO 7731 – Danger signals for public and work areas – Auditory danger signals

UIC 643 – Regulations regarding the audibility of shunting whistles and detonators in the driving compartments of powered units

UIC 644 – Warning devices used on tractive units employed on international services

Technical Specifications for Interoperability

Controle acoustique des équipements de sécurité
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Our references

ALSTOM
BOMBARDIER
DB SCHENKER RAIL
RATP
SIEMENS
VOSSLOH