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5.47
Technical data
Luminous fluxes of T5 fluorescent lamps (16 mm), HE and HO fluorescent lamps
880
865
840
830
827
HE 14W
1150
1300
1350
1350
1350
HE 14W SLS
-
-
1350
1350
-
HE 21W
1850
2000
2100
2100
2100
HE 21W SLS
-
-
2100
2100
2100
HE 28W
2690
2750
2900
2900
2900
HE 28W SLS
-
-
2900
2900
-
HE 35W
3450
3500
3650
3650
3650
HE 13W ES
-
1300
1350
1350
1350
HE 19W ES
-
2000
2100
2100
2100
HE 25W ES
-
2750
2900
2900
2900
HE 32W ES
-
3500
3650
3650
3650
HO 24W
1750
1900
2000
2000
2000
HO 24W SLS
-
1900
2000
2000
-
HO 39W
3150
3325
3500
3500
3500
HO 39W SLS
-
3325
3500
3500
-
HO 49W
4610
4600
4900
4900
4900
HO 54W
4500
4750
5000
5000
5000
HO 54W SLS
-
4750
5000
5000
-
HO 80W
6400
6650
7000
7000
7000
HO 20W ES
-
1900
2000
2000
2000
HO 34W ES
-
3325
3500
3500
3500
HO 45W ES
-
4600
4900
4900
4900
HO 50W ES
-
4750
5000
5000
5000
HO 73W ES
-
6650
7000
7000
7000
All values for HE and HO at 35°C
As with all fluorescent lamps, the fixture efficiency of T5
(16 mm) lamps is calculated at an ambient temperature of
25ºC. In other words, the luminous flux of the lamp meas-
ured at 25ºC and the luminous flux of the fixture meas-
ured at 25ºC are used as the basis for calculating the fix-
ture efficiency. Note that if measurements are taken with
gonio-photometers with moving lamps the high-speed air
currents may cause the cool spot to shift from the stamp
end of the lamp. Before the illuminance levels from T5 HE,
T5 HO and especially FC
®
lamps are measured in lighting
systems, these lamps must be allowed to stabilize for at
least 100 hours. If two lamps are to be operated next to
one another, make sure that the stamped ends are on the
same side so that the cold spot is not heated.