Double Face LED Airport Guidance Sign Boards

Double Face LED Airport Guidance Sign Boards

Item Code : SE–AGS–LED–2F

Features

• Designed and developed as per ICAO Annex 14 and FAA Standards.
• Virtually eliminates runway shutdowns due to LED light source.
• Direct replacement for existing sign.
• Creates a highly uniform distribution of light, eliminating hot spots and shadows.
• Operates on ferroresonant or thyristor CCRs that are designed in compliance with FAA  / ICAO-ANNEX-14 Ch-5.4 requirements.
• Operates on 3-step, 5-step and 6.6A series circuits.
• Eliminates re-lamping expenses and reduces on-going maintenance costs.
• Improved safety — low, regulated DC voltage inside sign.
• Sign lumen maintenance of 70% (L70) minimum for greater than 5 years (assuming sign operates an average of 12 hours per day)
• Type of Sign Illumination                     : Trans illuminated signage with retro reflective sheets / regular sheets.
• Lamp Type                                                  : LED.
• Sign Power Input                                     : Style-3 signs designed for operation from an airport series lighting circuit with a current range of 2.8 to 6.6 amperes or a current range of 8.5 to 20 amperes using Isolation Transformer In-between. (As per FAA - AC No: 150/5345-44F - Clause 4.1.4 – Sign Power.)
• Wind Load and Frangibility                 : Legs provided with breakable coupling for frangibility; As per FAA - AC No: 150/5345-44F - Clause 4.8.3.2 Wind Load and Frangibility Test can withstand wind speed of and jet blast of 90 m/s. As per ICAO Annex 14 Ch. 11 Clause: 11.7.6.
• Water Ingress Protection                     : As per FAA - AC No: 150/5345-44F - Clause - 4.8.4.5 Rain Test.
• Low Temperature Tolerance              : As per FAA - AC No: 150/5345-44F - Clause - 5.6.2.3 Low Temperature Test.
• High Temperature Tolerance             : As per FAA - AC No: 150/5345-44F - Clause - 5.6.2.4 High Temperature Test.
• Luminance Ratio                                      :
  • Between red and white elements:  1:5 to 1:10 (For Mandatory Signs) (As per ICAO Annex 14 – Appendix-4 Clause: 5).
  • Between adjacent grid points: not more than 1.5:1 (for grid spacing 7.5 cm) (As per ICAO Annex 14 – Appendix-4 Clause: 8).
  • Between adjacent grid points: not more than 1.25:1 (for grid spacing 15 cm) (As per ICAO Annex 14 – Appendix-4 Clause: 8).
  • Maximum and Minimum Luminance over whole sign face: not more than 5:1(As per ICAO Annex 14 – Appendix-4 Clause: 8).
• Arithmetic Average Value of Sign Luminance of  ( As per ICAO Annex 14- Appendix-4 Clause:4 (a) )
  • Red Background               :   30 cd/m2
  • Yellow Background         : 150 cd/m2
  • White Background          : 300 cd/m2
•  Sign Board Frame Work                       : Signage frame work contains thick anodized 2 mm thick aluminium profile work with stiffening support.
•  Sign Board Face                                       : The signage face is made of 4mm thick poly carbonate glass with computerized cutting and pasting of regular vinyl or Retro-reflective vinyl of make 3M or equivalent.
• Emergency Change Over                      : Signage Board with Built in Change over Circuit for Main and Stand-by C.C.R for automatic change over operation in case of Line / C.C.R Fault. Separate Control Gear to illuminate each of the two faces adhering to ICAO Annex 14.
•  Operating Temperature                      : Temperature: -40°F to +131°F (-40°C to +55°C)