Specifications

8 Philips Fortimo HBMt Gen 3 System Design In Guide
Figure 5. Polar diagram Fortimo LED HBMt Gen3
Figure 6. Spectral light distribution for the Fortimo LED
HBMt Gen3
Lighting characteristics
Figure 7. Color consistency (¼ ANSI)
Figure 7 shows color targets for the different color temperatures of the
Fortimo LED HBMt Gen3. These are specied in the operating conditions
Tc = 85° C, ∆T (Tcase-Tmax.amb≤50˚ C). In the application a color shift
is possible if the case temperature is signicantly different than specied.
Light distribution
The Fortimo LED High Brightness Module (HBMt) Gen 3 System provides
lambertian light distribution, making it suitable for a variety of applications, e.g.
street lighting, area lighting, urban lighting and architectural ood lighting. The light
distribution can be best controlled using a specular/near-specular reector.
Universal mounting position
The mounting direction of the Fortimo LED module is universal. For applications
where a narrow batwing-like distribution is required, we recommend the modules
be used in pairs to make optimal use of the module beam.
Optical les
Optical les in IES format, including Ray-sets, can be downloaded from
the Fortimo LED HBMt webpage (http://www.lighting.philips.com/us_en/connect/
LED_modules/fortimo-HBMt.wpd).
The photometric les can be used to check the system’s far-eld intensity
distribution. The initial reector or luminaire design can be carried out using a
lambertian emitter to gain simulation speed. The nal design should always be
veried using a simulation executed with a Ray-set for the module.
Spectral light distribution
Color consistency (SDCM)
The target specication of the Fortimo LED HBMt Gen3 System for color
consistency is within ANSI C78.377. This specication is similar to that of
conventional discharge lamps used in outdoor lighting. The ANSI C78.377 has an
approximate value of 7 SDCM, or Standard Deviation of Color Matching. This value
refers to the size of an ellipse around the black body locus.
Starting characteristics
After ignition or re-ignition of the driver the module will immediately produce the
intended amount of light.
Lifetime characteristics
Fortimo LED HBMt Gen3 System has expected lifetime of 50,000 oeprating hours
with 90% survivals. Table 17 provides typical lumen output at end of life.
Table 11. Fortimo LED HBMt Gen3 lumen maintenance
Product name
(all CRI/CCt combinations)
Initial lumen
output (lm)
Typical lumen output
@50K hours (lm)
Fortimo LED HBMt Gen3 4000 lm 4000 3400
Fortimo LED HBMt Gen3 6000 lm 6000 5100
0.BBL
4000K
5700K