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Lamp Data Chart
Lamp Lamp Model # Rated Initial Common CRI Maximum Overall
Wattage Manufacturer (add color temperature Life* Lumens Commercial/Institutionnal Length
desired in space ____) (hours) at 25°C Applications Color inches (mm)
Temperatures (°K)
24 PHILIPS F24T5/8__/HO/ALTO 20000 1800 3000, 3500, 4100 85 22.2" (563.2mm)
T5 High GE F24W/T5/8__/ECO 30000 1750 3000, 3500, 4100 85 22.2" (563.2mm)
Output OSRAM Sylvania FP24/8__/HO/ECO 20000 1750 3000, 3500, 4100 85 22.2" (563.2mm)
28 PHILIPS F28T5/8__/ALTO 20000 2600 3000, 3500, 4100 85 45.8" (1163.2mm)
T5 High GE F28W/T5/8__/ECO 30000 2640 3000, 3500, 4100 85 45.8" (1163.2mm)
Efficiency OSRAM Sylvania FP28/8__/ECO 20000 2600 3000, 3500, 4100 85 45.8" (1163.2mm)
54 PHILIPS F54T5/8__/HO/ALTO 25000 4500 3000, 3500, 4100 85 45.8" (1163.2mm)
T5 High GE F54W/T5/8__/ECO 30000 4460 3000, 3500, 4100 85 45.8" (1163.2mm)
Output OSRAM Sylvania FP54/HO/8__/ECO 25000 4450 3000, 3500, 4100 85 45.8" (1163.2mm)
17 PHILIPS F17T8/TL8__/ALTO 24000 1400 3000, 3500, 4100 85 23.8" (604mm)
T8 GE F17T8/SPX__/ECO 15000 1350 3000, 3500, 4100 86 23.8" (604mm)
OSRAM Sylvania FO17/8__/ECO 15000 1350 3000, 3500, 4100 82 23.8" (604mm)
32 PHILIPS F32T8/TL8__/ALTO 24000 2950 3000, 3500, 4100 85 47.8" (1213.6mm)
T8 GE F32T8/SPX__/ECO 20000 2950 3000, 3500, 4100 86 47.8" (1213.6mm)
OSRAM Sylvania FO32/8__/ECO 24000 2950 3000, 3500, 4100 85 47.8" (1213.6mm)
40 PHILIPS PL-L 40W/8__/4P/RS/IS 20000 3300 3000, 3500, 4100 82 22.5" (571.5mm)
TT5 GE F40/30BX/SPX__ 20000 3150 3000, 3500, 4100 82 22.5" (571.5mm)
OSRAM Sylvania FT40DL/8__/RS/ECO 20000 3150 3000, 3500, 4100 82 22.6" (573mm)
50 PHILIPS PL-L 50W/8__/4P/RS 20000 4300 3000, 3500, 4100 82 22.5" (571.5mm)
TT5 GE F50BX/SPX__RS 14000 4000 3000, 3500, 4100 82 22.5" (571.5mm)
OSRAM Sylvania FT50DL/8__/RS/ECO 14000 4300 3000, 3500, 4100 82 22.6" (573mm)
55 PHILIPS PL-L 55W/8__/4P/RS 10000 4800 3000, 3500, 4100 82 21.3" (541.6mm)
TT5 GE F55BX/SPX__ 10000 4800 3000, 3500, 4100 82 20.7" (525.7mm)
OSRAM Sylvania FT55DL/8__/ECO 12000 4800 3000, 3500, 4100 82 21.1" (535mm)
LAMP CHART IS TO BE USED AS A GUIDE ONLY. LAMP MANUFACTURER DATA AT TIME OF PUBLICATION.
CHECK LAMP MANUFACTURER DATA FOR OTHER MODEL ENQUIRIES AND/OR EXACT SPECIFICATIONS.
* Rated average life under specified test conditions with lamps turned off and restarted no more frequently than once every 3 operating hours.
Rating based on Program Start ballast for T5/T5HO, Instant Start for T8 and Rapid Start for TT5 lamps.
Application Notes
Results based on: Average footcandles maintained, total Light Loss Factor (L.L.F.)=0.82 Reflectances: 80%
Ceiling (white acoustical tile), 50% Wall (off-white paint), 20% Floor (medium grey carpet). RE835 T8 lamps rated
at 2950 lumens, RE835 TT5 lamps rated at 3150 lumens, RE835 T5 lamps rated at 2600 lumens & RE835 T5HO lamps
rated at 4500 lumens. 1' x 1' calculation grid at 30" from finished floor.
Results may vary.
Calculations have been performed according to IESNA & CIE standards and good practice. Some differences between
measured values and calculated results may occur due to tolerances in calculation methods, testing procedures,
component performance, measurement techniques and field conditions such as voltage and temperature variations.
Input data used to generate the attached calculations such as room dimensions, reflectances, furniture and architectural
elements significantly affect the lighting calculations. If the real environment conditions do not match
the input data, differences will occur between measured values and calculated values.