Terralux TLM-R08A Manual do Utilizador descarregar pdf (Página 4)

TERRALUX TLM-R08A Product Specification – Subject to change without notice

WWW.TERRALUX.COM

5/23/2014!

LEDSense

Operation, Thermal De-rating and Lumen

The TLM-R08A employs TERRALUX’s patented LEDSense

Thermal Management Technology to

automatically provide maximum light output in various fixtures and operating conditions while

assuring long-term lumen maintenance. LED-Sense

regularly measures the operating temperature

and ensures compliance with a pre-programmed temperature and drive-current profile. This profile

is based on the LED manufacturer’s LM-80 data report and minimum L70/60,000 hour lumen

maintenance curves. LEDSense

is always active, and will compensate for variation in thermal

conditions due to heatsinking, ambient air, engine positioning, or any other variable that affects the

operating temperature. The Thermal De-rating curve below identifies the relative light output that

can be expected under various thermal conditions. The LEDSense

Power Curve identifies the

reduction in input power over temperature.

0%!

10%!

20%!

30%!

40%!

50%!

60%!

70%!

80%!

90%!

100%!

110%!

25! 30! 35! 40! 45! 50! 55! 60! 65! 70! 75! 80!

% of initial LOP

Heatsink Temperature Tc [°C]

Light Output vs Temperature

0%!

10%!

20%!

30%!

40%!

50%!

60%!

70%!

80%!

90%!

100%!

110%!

25! 30! 35! 40! 45! 50! 55! 60! 65! 70! 75! 80!

% of initial Power

Heatsink Temperature Tc [°C]

Power vs. Heatsink Temperature

1 2 3 4 5 6 7

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